20624610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 52015104

約数和(自身を除く): 31390494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 67, 93, 134, 155, 186, 201, 310, 331, 335, 402, 465, 662, 670, 930, 993, 1005, 1655, 1986, 2010, 2077, 3310, 4154, 4965, 6231, 9930, 10261, 10385, 12462, 20522, 20770, 22177, 30783, 31155, 44354, 51305, 61566, 62310, 66531, 102610, 110885, 133062, 153915, 221770, 307830, 332655, 665310, 687487, 1374974, 2062461, 3437435, 4124922, 6874870, 10312305, 20624610]

約数ペア:

[(1, 20624610), (2, 10312305), (3, 6874870), (5, 4124922), (6, 3437435), (10, 2062461), (15, 1374974), (30, 687487), (31, 665310), (62, 332655), (67, 307830), (93, 221770), (134, 153915), (155, 133062), (186, 110885), (201, 102610), (310, 66531), (331, 62310), (335, 61566), (402, 51305), (465, 44354), (662, 31155), (670, 30783), (930, 22177), (993, 20770), (1005, 20522), (1655, 12462), (1986, 10385), (2010, 10261), (2077, 9930), (3310, 6231), (4154, 4965)]