20326176

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 63980280

約数和(自身を除く): 43654104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 61, 72, 78, 89, 96, 104, 117, 122, 144, 156, 178, 183, 208, 234, 244, 267, 288, 312, 356, 366, 416, 468, 488, 534, 549, 624, 712, 732, 793, 801, 936, 976, 1068, 1098, 1157, 1248, 1424, 1464, 1586, 1602, 1872, 1952, 2136, 2196, 2314, 2379, 2848, 2928, 3172, 3204, 3471, 3744, 4272, 4392, 4628, 4758, 5429, 5856, 6344, 6408, 6942, 7137, 8544, 8784, 9256, 9516, 10413, 10858, 12688, 12816, 13884, 14274, 16287, 17568, 18512, 19032, 20826, 21716, 25376, 25632, 27768, 28548, 32574, 37024, 38064, 41652, 43432, 48861, 55536, 57096, 65148, 70577, 76128, 83304, 86864, 97722, 111072, 114192, 130296, 141154, 166608, 173728, 195444, 211731, 228384, 260592, 282308, 333216, 390888, 423462, 521184, 564616, 635193, 781776, 846924, 1129232, 1270386, 1563552, 1693848, 2258464, 2540772, 3387696, 5081544, 6775392, 10163088, 20326176]

約数ペア:

[(1, 20326176), (2, 10163088), (3, 6775392), (4, 5081544), (6, 3387696), (8, 2540772), (9, 2258464), (12, 1693848), (13, 1563552), (16, 1270386), (18, 1129232), (24, 846924), (26, 781776), (32, 635193), (36, 564616), (39, 521184), (48, 423462), (52, 390888), (61, 333216), (72, 282308), (78, 260592), (89, 228384), (96, 211731), (104, 195444), (117, 173728), (122, 166608), (144, 141154), (156, 130296), (178, 114192), (183, 111072), (208, 97722), (234, 86864), (244, 83304), (267, 76128), (288, 70577), (312, 65148), (356, 57096), (366, 55536), (416, 48861), (468, 43432), (488, 41652), (534, 38064), (549, 37024), (624, 32574), (712, 28548), (732, 27768), (793, 25632), (801, 25376), (936, 21716), (976, 20826), (1068, 19032), (1098, 18512), (1157, 17568), (1248, 16287), (1424, 14274), (1464, 13884), (1586, 12816), (1602, 12688), (1872, 10858), (1952, 10413), (2136, 9516), (2196, 9256), (2314, 8784), (2379, 8544), (2848, 7137), (2928, 6942), (3172, 6408), (3204, 6344), (3471, 5856), (3744, 5429), (4272, 4758), (4392, 4628)]