20255320072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{57571}}^1$

素因数の和:57806

約数の個数: 64

約数和(自身を含む): 43524432000

約数和(自身を除く): 23269111928

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 199, 221, 398, 442, 796, 884, 1592, 1768, 2587, 3383, 5174, 6766, 10348, 13532, 20696, 27064, 43979, 57571, 87958, 115142, 175916, 230284, 351832, 460568, 748423, 978707, 1496846, 1957414, 2993692, 3914828, 5987384, 7829656, 11456629, 12723191, 22913258, 25446382, 45826516, 50892764, 91653032, 101785528, 148936177, 194762693, 297872354, 389525386, 595744708, 779050772, 1191489416, 1558101544, 2531915009, 5063830018, 10127660036, 20255320072]

約数ペア:

[(1, 20255320072), (2, 10127660036), (4, 5063830018), (8, 2531915009), (13, 1558101544), (17, 1191489416), (26, 779050772), (34, 595744708), (52, 389525386), (68, 297872354), (104, 194762693), (136, 148936177), (199, 101785528), (221, 91653032), (398, 50892764), (442, 45826516), (796, 25446382), (884, 22913258), (1592, 12723191), (1768, 11456629), (2587, 7829656), (3383, 5987384), (5174, 3914828), (6766, 2993692), (10348, 1957414), (13532, 1496846), (20696, 978707), (27064, 748423), (43979, 460568), (57571, 351832), (87958, 230284), (115142, 175916)]