20131781140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1\times {\mathrm{1187}}^1$

素因数の和:1897

約数の個数: 96

約数和(自身を含む): 45416536704

約数和(自身を除く): 25284755564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 601, 830, 1187, 1202, 1411, 1660, 2374, 2404, 2822, 3005, 4748, 5644, 5935, 6010, 7055, 10217, 11870, 12020, 14110, 20179, 20434, 23740, 28220, 40358, 40868, 49883, 51085, 80716, 98521, 99766, 100895, 102170, 197042, 199532, 201790, 204340, 249415, 394084, 403580, 492605, 498830, 713387, 848011, 985210, 997660, 1426774, 1674857, 1696022, 1970420, 2853548, 3349714, 3392044, 3566935, 4240055, 6699428, 7133870, 8374285, 8480110, 12127579, 14267740, 16748570, 16960220, 24255158, 33497140, 48510316, 59211121, 60637895, 118422242, 121275790, 236844484, 242551580, 296055605, 592111210, 1006589057, 1184222420, 2013178114, 4026356228, 5032945285, 10065890570, 20131781140]

約数ペア:

[(1, 20131781140), (2, 10065890570), (4, 5032945285), (5, 4026356228), (10, 2013178114), (17, 1184222420), (20, 1006589057), (34, 592111210), (68, 296055605), (83, 242551580), (85, 236844484), (166, 121275790), (170, 118422242), (332, 60637895), (340, 59211121), (415, 48510316), (601, 33497140), (830, 24255158), (1187, 16960220), (1202, 16748570), (1411, 14267740), (1660, 12127579), (2374, 8480110), (2404, 8374285), (2822, 7133870), (3005, 6699428), (4748, 4240055), (5644, 3566935), (5935, 3392044), (6010, 3349714), (7055, 2853548), (10217, 1970420), (11870, 1696022), (12020, 1674857), (14110, 1426774), (20179, 997660), (20434, 985210), (23740, 848011), (28220, 713387), (40358, 498830), (40868, 492605), (49883, 403580), (51085, 394084), (80716, 249415), (98521, 204340), (99766, 201790), (100895, 199532), (102170, 197042)]