20139045580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{1187}}^1$

素因数の和:1711

約数の個数: 96

約数和(自身を含む): 45265651200

約数和(自身を除く): 25126605620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 359, 556, 695, 718, 1187, 1390, 1436, 1795, 2363, 2374, 2780, 3590, 4726, 4748, 5935, 6103, 7180, 9452, 11815, 11870, 12206, 20179, 23630, 23740, 24412, 30515, 40358, 47260, 49901, 61030, 80716, 99802, 100895, 122060, 164993, 199604, 201790, 249505, 329986, 403580, 426133, 499010, 659972, 824965, 848317, 852266, 998020, 1649930, 1696634, 1704532, 2130665, 2804881, 3299860, 3393268, 4241585, 4261330, 5609762, 7244261, 8483170, 8522660, 11219524, 14024405, 14488522, 16966340, 28048810, 28977044, 36221305, 56097620, 59232487, 72442610, 118464974, 144885220, 236929948, 296162435, 592324870, 1006952279, 1184649740, 2013904558, 4027809116, 5034761395, 10069522790, 20139045580]

約数ペア:

[(1, 20139045580), (2, 10069522790), (4, 5034761395), (5, 4027809116), (10, 2013904558), (17, 1184649740), (20, 1006952279), (34, 592324870), (68, 296162435), (85, 236929948), (139, 144885220), (170, 118464974), (278, 72442610), (340, 59232487), (359, 56097620), (556, 36221305), (695, 28977044), (718, 28048810), (1187, 16966340), (1390, 14488522), (1436, 14024405), (1795, 11219524), (2363, 8522660), (2374, 8483170), (2780, 7244261), (3590, 5609762), (4726, 4261330), (4748, 4241585), (5935, 3393268), (6103, 3299860), (7180, 2804881), (9452, 2130665), (11815, 1704532), (11870, 1696634), (12206, 1649930), (20179, 998020), (23630, 852266), (23740, 848317), (24412, 824965), (30515, 659972), (40358, 499010), (47260, 426133), (49901, 403580), (61030, 329986), (80716, 249505), (99802, 201790), (100895, 199604), (122060, 164993)]