20278830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 59512320

約数和(自身を除く): 39233490

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 29, 30, 33, 39, 55, 58, 65, 66, 78, 87, 110, 130, 143, 145, 163, 165, 174, 195, 286, 290, 319, 326, 330, 377, 390, 429, 435, 489, 638, 715, 754, 815, 858, 870, 957, 978, 1131, 1430, 1595, 1630, 1793, 1885, 1914, 2119, 2145, 2262, 2445, 3190, 3586, 3770, 4147, 4238, 4290, 4727, 4785, 4890, 5379, 5655, 6357, 8294, 8965, 9454, 9570, 10595, 10758, 11310, 12441, 12714, 14181, 17930, 20735, 21190, 23309, 23635, 24882, 26895, 28362, 31785, 41470, 46618, 47270, 51997, 53790, 61451, 62205, 63570, 69927, 70905, 103994, 116545, 122902, 124410, 139854, 141810, 155991, 184353, 233090, 259985, 307255, 311982, 349635, 368706, 519970, 614510, 675961, 699270, 779955, 921765, 1351922, 1559910, 1843530, 2027883, 3379805, 4055766, 6759610, 10139415, 20278830]

約数ペア:

[(1, 20278830), (2, 10139415), (3, 6759610), (5, 4055766), (6, 3379805), (10, 2027883), (11, 1843530), (13, 1559910), (15, 1351922), (22, 921765), (26, 779955), (29, 699270), (30, 675961), (33, 614510), (39, 519970), (55, 368706), (58, 349635), (65, 311982), (66, 307255), (78, 259985), (87, 233090), (110, 184353), (130, 155991), (143, 141810), (145, 139854), (163, 124410), (165, 122902), (174, 116545), (195, 103994), (286, 70905), (290, 69927), (319, 63570), (326, 62205), (330, 61451), (377, 53790), (390, 51997), (429, 47270), (435, 46618), (489, 41470), (638, 31785), (715, 28362), (754, 26895), (815, 24882), (858, 23635), (870, 23309), (957, 21190), (978, 20735), (1131, 17930), (1430, 14181), (1595, 12714), (1630, 12441), (1793, 11310), (1885, 10758), (1914, 10595), (2119, 9570), (2145, 9454), (2262, 8965), (2445, 8294), (3190, 6357), (3586, 5655), (3770, 5379), (4147, 4890), (4238, 4785), (4290, 4727)]