20346880070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{67043}}^1$

素因数の和:67181

約数の個数: 64

約数和(自身を含む): 41706731520

約数和(自身を除く): 21359851450

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 110, 155, 178, 310, 341, 445, 682, 890, 979, 1705, 1958, 2759, 3410, 4895, 5518, 9790, 13795, 27590, 30349, 60698, 67043, 134086, 151745, 303490, 335215, 670430, 737473, 1474946, 2078333, 3687365, 4156666, 5966827, 7374730, 10391665, 11933654, 20783330, 22861663, 29834135, 45723326, 59668270, 65635097, 114308315, 131270194, 184971637, 228616630, 328175485, 369943274, 656350970, 924858185, 1849716370, 2034688007, 4069376014, 10173440035, 20346880070]

約数ペア:

[(1, 20346880070), (2, 10173440035), (5, 4069376014), (10, 2034688007), (11, 1849716370), (22, 924858185), (31, 656350970), (55, 369943274), (62, 328175485), (89, 228616630), (110, 184971637), (155, 131270194), (178, 114308315), (310, 65635097), (341, 59668270), (445, 45723326), (682, 29834135), (890, 22861663), (979, 20783330), (1705, 11933654), (1958, 10391665), (2759, 7374730), (3410, 5966827), (4895, 4156666), (5518, 3687365), (9790, 2078333), (13795, 1474946), (27590, 737473), (30349, 670430), (60698, 335215), (67043, 303490), (134086, 151745)]