20571144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 56989440

約数和(自身を除く): 36418296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1163, 1474, 1608, 2211, 2326, 2948, 3489, 4422, 4652, 5896, 6978, 8844, 9304, 12793, 13956, 17688, 25586, 27912, 38379, 51172, 76758, 77921, 102344, 153516, 155842, 233763, 307032, 311684, 467526, 623368, 857131, 935052, 1714262, 1870104, 2571393, 3428524, 5142786, 6857048, 10285572, 20571144]

約数ペア:

[(1, 20571144), (2, 10285572), (3, 6857048), (4, 5142786), (6, 3428524), (8, 2571393), (11, 1870104), (12, 1714262), (22, 935052), (24, 857131), (33, 623368), (44, 467526), (66, 311684), (67, 307032), (88, 233763), (132, 155842), (134, 153516), (201, 102344), (264, 77921), (268, 76758), (402, 51172), (536, 38379), (737, 27912), (804, 25586), (1163, 17688), (1474, 13956), (1608, 12793), (2211, 9304), (2326, 8844), (2948, 6978), (3489, 5896), (4422, 4652)]