20288112

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 59089968

約数和(自身を除く): 38801856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 61, 78, 82, 104, 122, 123, 156, 164, 169, 183, 208, 244, 246, 312, 328, 338, 366, 488, 492, 507, 533, 624, 656, 676, 732, 793, 976, 984, 1014, 1066, 1352, 1464, 1586, 1599, 1968, 2028, 2132, 2379, 2501, 2704, 2928, 3172, 3198, 4056, 4264, 4758, 5002, 6344, 6396, 6929, 7503, 8112, 8528, 9516, 10004, 10309, 12688, 12792, 13858, 15006, 19032, 20008, 20618, 20787, 25584, 27716, 30012, 30927, 32513, 38064, 40016, 41236, 41574, 55432, 60024, 61854, 65026, 82472, 83148, 97539, 110864, 120048, 123708, 130052, 164944, 166296, 195078, 247416, 260104, 332592, 390156, 422669, 494832, 520208, 780312, 845338, 1268007, 1560624, 1690676, 2536014, 3381352, 5072028, 6762704, 10144056, 20288112]

約数ペア:

[(1, 20288112), (2, 10144056), (3, 6762704), (4, 5072028), (6, 3381352), (8, 2536014), (12, 1690676), (13, 1560624), (16, 1268007), (24, 845338), (26, 780312), (39, 520208), (41, 494832), (48, 422669), (52, 390156), (61, 332592), (78, 260104), (82, 247416), (104, 195078), (122, 166296), (123, 164944), (156, 130052), (164, 123708), (169, 120048), (183, 110864), (208, 97539), (244, 83148), (246, 82472), (312, 65026), (328, 61854), (338, 60024), (366, 55432), (488, 41574), (492, 41236), (507, 40016), (533, 38064), (624, 32513), (656, 30927), (676, 30012), (732, 27716), (793, 25584), (976, 20787), (984, 20618), (1014, 20008), (1066, 19032), (1352, 15006), (1464, 13858), (1586, 12792), (1599, 12688), (1968, 10309), (2028, 10004), (2132, 9516), (2379, 8528), (2501, 8112), (2704, 7503), (2928, 6929), (3172, 6396), (3198, 6344), (4056, 5002), (4264, 4758)]