20963580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1427

約数の個数: 96

約数和(自身を含む): 66866688

約数和(自身を除く): 45903108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 230, 253, 276, 330, 345, 460, 506, 660, 690, 759, 1012, 1265, 1380, 1381, 1518, 2530, 2762, 3036, 3795, 4143, 5060, 5524, 6905, 7590, 8286, 13810, 15180, 15191, 16572, 20715, 27620, 30382, 31763, 41430, 45573, 60764, 63526, 75955, 82860, 91146, 95289, 127052, 151910, 158815, 182292, 190578, 227865, 303820, 317630, 349393, 381156, 455730, 476445, 635260, 698786, 911460, 952890, 1048179, 1397572, 1746965, 1905780, 2096358, 3493930, 4192716, 5240895, 6987860, 10481790, 20963580]

約数ペア:

[(1, 20963580), (2, 10481790), (3, 6987860), (4, 5240895), (5, 4192716), (6, 3493930), (10, 2096358), (11, 1905780), (12, 1746965), (15, 1397572), (20, 1048179), (22, 952890), (23, 911460), (30, 698786), (33, 635260), (44, 476445), (46, 455730), (55, 381156), (60, 349393), (66, 317630), (69, 303820), (92, 227865), (110, 190578), (115, 182292), (132, 158815), (138, 151910), (165, 127052), (220, 95289), (230, 91146), (253, 82860), (276, 75955), (330, 63526), (345, 60764), (460, 45573), (506, 41430), (660, 31763), (690, 30382), (759, 27620), (1012, 20715), (1265, 16572), (1380, 15191), (1381, 15180), (1518, 13810), (2530, 8286), (2762, 7590), (3036, 6905), (3795, 5524), (4143, 5060)]