20561172408

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{186283}}^1$

素因数の和:186378

約数の個数: 128

約数和(自身を含む): 66168076800

約数和(自身を除く): 45606904392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 73, 84, 108, 126, 146, 168, 189, 216, 219, 252, 292, 378, 438, 504, 511, 584, 657, 756, 876, 1022, 1314, 1512, 1533, 1752, 1971, 2044, 2628, 3066, 3942, 4088, 4599, 5256, 6132, 7884, 9198, 12264, 13797, 15768, 18396, 27594, 36792, 55188, 110376, 186283, 372566, 558849, 745132, 1117698, 1303981, 1490264, 1676547, 2235396, 2607962, 3353094, 3911943, 4470792, 5029641, 5215924, 6706188, 7823886, 10059282, 10431848, 11735829, 13412376, 13598659, 15647772, 20118564, 23471658, 27197318, 31295544, 35207487, 40237128, 40795977, 46943316, 54394636, 70414974, 81591954, 93886632, 95190613, 108789272, 122387931, 140829948, 163183908, 190381226, 244775862, 281659896, 285571839, 326367816, 367163793, 380762452, 489551724, 571143678, 734327586, 761524904, 856715517, 979103448, 1142287356, 1468655172, 1713431034, 2284574712, 2570146551, 2937310344, 3426862068, 5140293102, 6853724136, 10280586204, 20561172408]

約数ペア:

[(1, 20561172408), (2, 10280586204), (3, 6853724136), (4, 5140293102), (6, 3426862068), (7, 2937310344), (8, 2570146551), (9, 2284574712), (12, 1713431034), (14, 1468655172), (18, 1142287356), (21, 979103448), (24, 856715517), (27, 761524904), (28, 734327586), (36, 571143678), (42, 489551724), (54, 380762452), (56, 367163793), (63, 326367816), (72, 285571839), (73, 281659896), (84, 244775862), (108, 190381226), (126, 163183908), (146, 140829948), (168, 122387931), (189, 108789272), (216, 95190613), (219, 93886632), (252, 81591954), (292, 70414974), (378, 54394636), (438, 46943316), (504, 40795977), (511, 40237128), (584, 35207487), (657, 31295544), (756, 27197318), (876, 23471658), (1022, 20118564), (1314, 15647772), (1512, 13598659), (1533, 13412376), (1752, 11735829), (1971, 10431848), (2044, 10059282), (2628, 7823886), (3066, 6706188), (3942, 5215924), (4088, 5029641), (4599, 4470792), (5256, 3911943), (6132, 3353094), (7884, 2607962), (9198, 2235396), (12264, 1676547), (13797, 1490264), (15768, 1303981), (18396, 1117698), (27594, 745132), (36792, 558849), (55188, 372566), (110376, 186283)]