20805213210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{221497}}^1$

素因数の和:221639

約数の個数: 64

約数和(自身を含む): 52053801984

約数和(自身を除く): 31248588774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 101, 155, 186, 202, 303, 310, 465, 505, 606, 930, 1010, 1515, 3030, 3131, 6262, 9393, 15655, 18786, 31310, 46965, 93930, 221497, 442994, 664491, 1107485, 1328982, 2214970, 3322455, 6644910, 6866407, 13732814, 20599221, 22371197, 34332035, 41198442, 44742394, 67113591, 68664070, 102996105, 111855985, 134227182, 205992210, 223711970, 335567955, 671135910, 693507107, 1387014214, 2080521321, 3467535535, 4161042642, 6935071070, 10402606605, 20805213210]

約数ペア:

[(1, 20805213210), (2, 10402606605), (3, 6935071070), (5, 4161042642), (6, 3467535535), (10, 2080521321), (15, 1387014214), (30, 693507107), (31, 671135910), (62, 335567955), (93, 223711970), (101, 205992210), (155, 134227182), (186, 111855985), (202, 102996105), (303, 68664070), (310, 67113591), (465, 44742394), (505, 41198442), (606, 34332035), (930, 22371197), (1010, 20599221), (1515, 13732814), (3030, 6866407), (3131, 6644910), (6262, 3322455), (9393, 2214970), (15655, 1328982), (18786, 1107485), (31310, 664491), (46965, 442994), (93930, 221497)]