20179140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 41322300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 571, 589, 620, 930, 1140, 1142, 1178, 1713, 1767, 1860, 2284, 2356, 2855, 2945, 3426, 3534, 5710, 5890, 6852, 7068, 8565, 8835, 10849, 11420, 11780, 17130, 17670, 17701, 21698, 32547, 34260, 35340, 35402, 43396, 53103, 54245, 65094, 70804, 88505, 106206, 108490, 130188, 162735, 177010, 212412, 216980, 265515, 325470, 336319, 354020, 531030, 650940, 672638, 1008957, 1062060, 1345276, 1681595, 2017914, 3363190, 4035828, 5044785, 6726380, 10089570, 20179140]

約数ペア:

[(1, 20179140), (2, 10089570), (3, 6726380), (4, 5044785), (5, 4035828), (6, 3363190), (10, 2017914), (12, 1681595), (15, 1345276), (19, 1062060), (20, 1008957), (30, 672638), (31, 650940), (38, 531030), (57, 354020), (60, 336319), (62, 325470), (76, 265515), (93, 216980), (95, 212412), (114, 177010), (124, 162735), (155, 130188), (186, 108490), (190, 106206), (228, 88505), (285, 70804), (310, 65094), (372, 54245), (380, 53103), (465, 43396), (570, 35402), (571, 35340), (589, 34260), (620, 32547), (930, 21698), (1140, 17701), (1142, 17670), (1178, 17130), (1713, 11780), (1767, 11420), (1860, 10849), (2284, 8835), (2356, 8565), (2855, 7068), (2945, 6852), (3426, 5890), (3534, 5710)]