20121924992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12227}}^1$

素因数の和:12320

約数の個数: 128

約数和(自身を含む): 46098581760

約数和(自身を除く): 25976656768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 43, 46, 52, 64, 86, 92, 104, 128, 172, 184, 208, 299, 344, 368, 416, 559, 598, 688, 736, 832, 989, 1118, 1196, 1376, 1472, 1664, 1978, 2236, 2392, 2752, 2944, 3956, 4472, 4784, 5504, 7912, 8944, 9568, 12227, 12857, 15824, 17888, 19136, 24454, 25714, 31648, 35776, 38272, 48908, 51428, 63296, 71552, 97816, 102856, 126592, 158951, 195632, 205712, 281221, 317902, 391264, 411424, 525761, 562442, 635804, 782528, 822848, 1051522, 1124884, 1271608, 1565056, 1645696, 2103044, 2249768, 2543216, 3655873, 4206088, 4499536, 5086432, 6834893, 7311746, 8412176, 8999072, 10172864, 12092503, 13669786, 14623492, 16824352, 17998144, 20345728, 24185006, 27339572, 29246984, 33648704, 35996288, 48370012, 54679144, 58493968, 67297408, 96740024, 109358288, 116987936, 157202539, 193480048, 218716576, 233975872, 314405078, 386960096, 437433152, 467951744, 628810156, 773920192, 874866304, 1257620312, 1547840384, 2515240624, 5030481248, 10060962496, 20121924992]

約数ペア:

[(1, 20121924992), (2, 10060962496), (4, 5030481248), (8, 2515240624), (13, 1547840384), (16, 1257620312), (23, 874866304), (26, 773920192), (32, 628810156), (43, 467951744), (46, 437433152), (52, 386960096), (64, 314405078), (86, 233975872), (92, 218716576), (104, 193480048), (128, 157202539), (172, 116987936), (184, 109358288), (208, 96740024), (299, 67297408), (344, 58493968), (368, 54679144), (416, 48370012), (559, 35996288), (598, 33648704), (688, 29246984), (736, 27339572), (832, 24185006), (989, 20345728), (1118, 17998144), (1196, 16824352), (1376, 14623492), (1472, 13669786), (1664, 12092503), (1978, 10172864), (2236, 8999072), (2392, 8412176), (2752, 7311746), (2944, 6834893), (3956, 5086432), (4472, 4499536), (4784, 4206088), (5504, 3655873), (7912, 2543216), (8944, 2249768), (9568, 2103044), (12227, 1645696), (12857, 1565056), (15824, 1271608), (17888, 1124884), (19136, 1051522), (24454, 822848), (25714, 782528), (31648, 635804), (35776, 562442), (38272, 525761), (48908, 411424), (51428, 391264), (63296, 317902), (71552, 281221), (97816, 205712), (102856, 195632), (126592, 158951)]