20856880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2333}}^1\times {\mathrm{4027}}^1$

素因数の和:6409

約数の個数: 96

約数和(自身を含む): 60018231168

約数和(自身を除く): 39161351148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 2333, 4027, 4666, 6999, 8054, 9332, 11665, 12081, 13998, 16108, 20135, 23330, 24162, 27996, 34995, 40270, 46660, 48324, 60405, 69990, 80540, 86321, 120810, 139980, 148999, 172642, 241620, 258963, 297998, 345284, 431605, 446997, 517926, 595996, 744995, 863210, 893994, 1035852, 1294815, 1489990, 1726420, 1787988, 2234985, 2589630, 2979980, 4469970, 5179260, 8939940, 9394991, 18789982, 28184973, 37579964, 46974955, 56369946, 93949910, 112739892, 140924865, 187899820, 281849730, 347614667, 563699460, 695229334, 1042844001, 1390458668, 1738073335, 2085688002, 3476146670, 4171376004, 5214220005, 6952293340, 10428440010, 20856880020]

約数ペア:

[(1, 20856880020), (2, 10428440010), (3, 6952293340), (4, 5214220005), (5, 4171376004), (6, 3476146670), (10, 2085688002), (12, 1738073335), (15, 1390458668), (20, 1042844001), (30, 695229334), (37, 563699460), (60, 347614667), (74, 281849730), (111, 187899820), (148, 140924865), (185, 112739892), (222, 93949910), (370, 56369946), (444, 46974955), (555, 37579964), (740, 28184973), (1110, 18789982), (2220, 9394991), (2333, 8939940), (4027, 5179260), (4666, 4469970), (6999, 2979980), (8054, 2589630), (9332, 2234985), (11665, 1787988), (12081, 1726420), (13998, 1489990), (16108, 1294815), (20135, 1035852), (23330, 893994), (24162, 863210), (27996, 744995), (34995, 595996), (40270, 517926), (46660, 446997), (48324, 431605), (60405, 345284), (69990, 297998), (80540, 258963), (86321, 241620), (120810, 172642), (139980, 148999)]