20218389420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{9851}}^1$

素因数の和:10375

約数の個数: 96

約数和(自身を含む): 57466321920

約数和(自身を除く): 37247932500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 433, 474, 790, 866, 948, 1185, 1299, 1580, 1732, 2165, 2370, 2598, 4330, 4740, 5196, 6495, 8660, 9851, 12990, 19702, 25980, 29553, 34207, 39404, 49255, 59106, 68414, 98510, 102621, 118212, 136828, 147765, 171035, 197020, 205242, 295530, 342070, 410484, 513105, 591060, 684140, 778229, 1026210, 1556458, 2052420, 2334687, 3112916, 3891145, 4265483, 4669374, 7782290, 8530966, 9338748, 11673435, 12796449, 15564580, 17061932, 21327415, 23346870, 25592898, 42654830, 46693740, 51185796, 63982245, 85309660, 127964490, 255928980, 336973157, 673946314, 1010919471, 1347892628, 1684865785, 2021838942, 3369731570, 4043677884, 5054597355, 6739463140, 10109194710, 20218389420]

約数ペア:

[(1, 20218389420), (2, 10109194710), (3, 6739463140), (4, 5054597355), (5, 4043677884), (6, 3369731570), (10, 2021838942), (12, 1684865785), (15, 1347892628), (20, 1010919471), (30, 673946314), (60, 336973157), (79, 255928980), (158, 127964490), (237, 85309660), (316, 63982245), (395, 51185796), (433, 46693740), (474, 42654830), (790, 25592898), (866, 23346870), (948, 21327415), (1185, 17061932), (1299, 15564580), (1580, 12796449), (1732, 11673435), (2165, 9338748), (2370, 8530966), (2598, 7782290), (4330, 4669374), (4740, 4265483), (5196, 3891145), (6495, 3112916), (8660, 2334687), (9851, 2052420), (12990, 1556458), (19702, 1026210), (25980, 778229), (29553, 684140), (34207, 591060), (39404, 513105), (49255, 410484), (59106, 342070), (68414, 295530), (98510, 205242), (102621, 197020), (118212, 171035), (136828, 147765)]