20264308720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{977}}^1$

素因数の和:1259

約数の個数: 160

約数和(自身を含む): 50765429376

約数和(自身を除く): 30501120656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 151, 170, 202, 272, 302, 340, 404, 505, 604, 680, 755, 808, 977, 1010, 1208, 1360, 1510, 1616, 1717, 1954, 2020, 2416, 2567, 3020, 3434, 3908, 4040, 4885, 5134, 6040, 6868, 7816, 8080, 8585, 9770, 10268, 12080, 12835, 13736, 15251, 15632, 16609, 17170, 19540, 20536, 25670, 27472, 30502, 33218, 34340, 39080, 41072, 51340, 61004, 66436, 68680, 76255, 78160, 83045, 98677, 102680, 122008, 132872, 137360, 147527, 152510, 166090, 197354, 205360, 244016, 259267, 265744, 295054, 305020, 332180, 394708, 493385, 518534, 590108, 610040, 664360, 737635, 789416, 986770, 1037068, 1180216, 1220080, 1296335, 1328720, 1475270, 1578832, 1677509, 1973540, 2074136, 2360432, 2507959, 2592670, 2950540, 3355018, 3947080, 4148272, 5015918, 5185340, 5901080, 6710036, 7894160, 8387545, 10031836, 10370680, 11802160, 12539795, 13420072, 14900227, 16775090, 20063672, 20741360, 25079590, 26840144, 29800454, 33550180, 40127344, 50159180, 59600908, 67100360, 74501135, 100318360, 119201816, 134200720, 149002270, 200636720, 238403632, 253303859, 298004540, 506607718, 596009080, 1013215436, 1192018160, 1266519295, 2026430872, 2533038590, 4052861744, 5066077180, 10132154360, 20264308720]

約数ペア:

[(1, 20264308720), (2, 10132154360), (4, 5066077180), (5, 4052861744), (8, 2533038590), (10, 2026430872), (16, 1266519295), (17, 1192018160), (20, 1013215436), (34, 596009080), (40, 506607718), (68, 298004540), (80, 253303859), (85, 238403632), (101, 200636720), (136, 149002270), (151, 134200720), (170, 119201816), (202, 100318360), (272, 74501135), (302, 67100360), (340, 59600908), (404, 50159180), (505, 40127344), (604, 33550180), (680, 29800454), (755, 26840144), (808, 25079590), (977, 20741360), (1010, 20063672), (1208, 16775090), (1360, 14900227), (1510, 13420072), (1616, 12539795), (1717, 11802160), (1954, 10370680), (2020, 10031836), (2416, 8387545), (2567, 7894160), (3020, 6710036), (3434, 5901080), (3908, 5185340), (4040, 5015918), (4885, 4148272), (5134, 3947080), (6040, 3355018), (6868, 2950540), (7816, 2592670), (8080, 2507959), (8585, 2360432), (9770, 2074136), (10268, 1973540), (12080, 1677509), (12835, 1578832), (13736, 1475270), (15251, 1328720), (15632, 1296335), (16609, 1220080), (17170, 1180216), (19540, 1037068), (20536, 986770), (25670, 789416), (27472, 737635), (30502, 664360), (33218, 610040), (34340, 590108), (39080, 518534), (41072, 493385), (51340, 394708), (61004, 332180), (66436, 305020), (68680, 295054), (76255, 265744), (78160, 259267), (83045, 244016), (98677, 205360), (102680, 197354), (122008, 166090), (132872, 152510), (137360, 147527)]