20561516928

素因数分解:

$2^7\times 3^5\times {\mathrm{61}}^1\times {\mathrm{10837}}^1$

素因数の和:10927

約数の個数: 192

約数和(自身を含む): 62370955920

約数和(自身を除く): 41809438992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 81, 96, 108, 122, 128, 144, 162, 183, 192, 216, 243, 244, 288, 324, 366, 384, 432, 486, 488, 549, 576, 648, 732, 864, 972, 976, 1098, 1152, 1296, 1464, 1647, 1728, 1944, 1952, 2196, 2592, 2928, 3294, 3456, 3888, 3904, 4392, 4941, 5184, 5856, 6588, 7776, 7808, 8784, 9882, 10368, 10837, 11712, 13176, 14823, 15552, 17568, 19764, 21674, 23424, 26352, 29646, 31104, 32511, 35136, 39528, 43348, 52704, 59292, 65022, 70272, 79056, 86696, 97533, 105408, 118584, 130044, 158112, 173392, 195066, 210816, 237168, 260088, 292599, 316224, 346784, 390132, 474336, 520176, 585198, 632448, 661057, 693568, 780264, 877797, 948672, 1040352, 1170396, 1322114, 1387136, 1560528, 1755594, 1897344, 1983171, 2080704, 2340792, 2633391, 2644228, 3121056, 3511188, 3966342, 4161408, 4681584, 5266782, 5288456, 5949513, 6242112, 7022376, 7932684, 9363168, 10533564, 10576912, 11899026, 12484224, 14044752, 15865368, 17848539, 18726336, 21067128, 21153824, 23798052, 28089504, 31730736, 35697078, 37452672, 42134256, 42307648, 47596104, 53545617, 56179008, 63461472, 71394156, 84268512, 84615296, 95192208, 107091234, 112358016, 126922944, 142788312, 160636851, 168537024, 190384416, 214182468, 253845888, 285576624, 321273702, 337074048, 380768832, 428364936, 571153248, 642547404, 761537664, 856729872, 1142306496, 1285094808, 1713459744, 2284612992, 2570189616, 3426919488, 5140379232, 6853838976, 10280758464, 20561516928]

約数ペア:

[(1, 20561516928), (2, 10280758464), (3, 6853838976), (4, 5140379232), (6, 3426919488), (8, 2570189616), (9, 2284612992), (12, 1713459744), (16, 1285094808), (18, 1142306496), (24, 856729872), (27, 761537664), (32, 642547404), (36, 571153248), (48, 428364936), (54, 380768832), (61, 337074048), (64, 321273702), (72, 285576624), (81, 253845888), (96, 214182468), (108, 190384416), (122, 168537024), (128, 160636851), (144, 142788312), (162, 126922944), (183, 112358016), (192, 107091234), (216, 95192208), (243, 84615296), (244, 84268512), (288, 71394156), (324, 63461472), (366, 56179008), (384, 53545617), (432, 47596104), (486, 42307648), (488, 42134256), (549, 37452672), (576, 35697078), (648, 31730736), (732, 28089504), (864, 23798052), (972, 21153824), (976, 21067128), (1098, 18726336), (1152, 17848539), (1296, 15865368), (1464, 14044752), (1647, 12484224), (1728, 11899026), (1944, 10576912), (1952, 10533564), (2196, 9363168), (2592, 7932684), (2928, 7022376), (3294, 6242112), (3456, 5949513), (3888, 5288456), (3904, 5266782), (4392, 4681584), (4941, 4161408), (5184, 3966342), (5856, 3511188), (6588, 3121056), (7776, 2644228), (7808, 2633391), (8784, 2340792), (9882, 2080704), (10368, 1983171), (10837, 1897344), (11712, 1755594), (13176, 1560528), (14823, 1387136), (15552, 1322114), (17568, 1170396), (19764, 1040352), (21674, 948672), (23424, 877797), (26352, 780264), (29646, 693568), (31104, 661057), (32511, 632448), (35136, 585198), (39528, 520176), (43348, 474336), (52704, 390132), (59292, 346784), (65022, 316224), (70272, 292599), (79056, 260088), (86696, 237168), (97533, 210816), (105408, 195066), (118584, 173392), (130044, 158112)]