20289317780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 44520483840

約数和(自身を除く): 24231166060

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 379, 730, 740, 758, 991, 1460, 1516, 1895, 1982, 2701, 3790, 3964, 4955, 5402, 7580, 9910, 10804, 13505, 14023, 19820, 27010, 27667, 28046, 36667, 54020, 55334, 56092, 70115, 72343, 73334, 110668, 138335, 140230, 144686, 146668, 183335, 276670, 280460, 289372, 361715, 366670, 375589, 553340, 723430, 733340, 751178, 1023679, 1446860, 1502356, 1877945, 2047358, 2676691, 3755890, 4094716, 5118395, 5353382, 7511780, 10236790, 10706764, 13383455, 13896793, 20473580, 26766910, 27417997, 27793586, 53533820, 54835994, 55587172, 69483965, 109671988, 137089985, 138967930, 274179970, 277935860, 548359940, 1014465889, 2028931778, 4057863556, 5072329445, 10144658890, 20289317780]

約数ペア:

[(1, 20289317780), (2, 10144658890), (4, 5072329445), (5, 4057863556), (10, 2028931778), (20, 1014465889), (37, 548359940), (73, 277935860), (74, 274179970), (146, 138967930), (148, 137089985), (185, 109671988), (292, 69483965), (365, 55587172), (370, 54835994), (379, 53533820), (730, 27793586), (740, 27417997), (758, 26766910), (991, 20473580), (1460, 13896793), (1516, 13383455), (1895, 10706764), (1982, 10236790), (2701, 7511780), (3790, 5353382), (3964, 5118395), (4955, 4094716), (5402, 3755890), (7580, 2676691), (9910, 2047358), (10804, 1877945), (13505, 1502356), (14023, 1446860), (19820, 1023679), (27010, 751178), (27667, 733340), (28046, 723430), (36667, 553340), (54020, 375589), (55334, 366670), (56092, 361715), (70115, 289372), (72343, 280460), (73334, 276670), (110668, 183335), (138335, 146668), (140230, 144686)]