20899681470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{12197}}^1$

素因数の和:12530

約数の個数: 96

約数和(自身を含む): 55259867520

約数和(自身を除く): 34360186050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 241, 395, 474, 482, 711, 723, 790, 1185, 1205, 1422, 1446, 2169, 2370, 2410, 3555, 3615, 4338, 7110, 7230, 10845, 12197, 19039, 21690, 24394, 36591, 38078, 57117, 60985, 73182, 95195, 109773, 114234, 121970, 171351, 182955, 190390, 219546, 285585, 342702, 365910, 548865, 571170, 856755, 963563, 1097730, 1713510, 1927126, 2890689, 2939477, 4817815, 5781378, 5878954, 8672067, 8818431, 9635630, 14453445, 14697385, 17344134, 17636862, 26455293, 28906890, 29394770, 43360335, 44092155, 52910586, 86720670, 88184310, 132276465, 232218683, 264552930, 464437366, 696656049, 1161093415, 1393312098, 2089968147, 2322186830, 3483280245, 4179936294, 6966560490, 10449840735, 20899681470]

約数ペア:

[(1, 20899681470), (2, 10449840735), (3, 6966560490), (5, 4179936294), (6, 3483280245), (9, 2322186830), (10, 2089968147), (15, 1393312098), (18, 1161093415), (30, 696656049), (45, 464437366), (79, 264552930), (90, 232218683), (158, 132276465), (237, 88184310), (241, 86720670), (395, 52910586), (474, 44092155), (482, 43360335), (711, 29394770), (723, 28906890), (790, 26455293), (1185, 17636862), (1205, 17344134), (1422, 14697385), (1446, 14453445), (2169, 9635630), (2370, 8818431), (2410, 8672067), (3555, 5878954), (3615, 5781378), (4338, 4817815), (7110, 2939477), (7230, 2890689), (10845, 1927126), (12197, 1713510), (19039, 1097730), (21690, 963563), (24394, 856755), (36591, 571170), (38078, 548865), (57117, 365910), (60985, 342702), (73182, 285585), (95195, 219546), (109773, 190390), (114234, 182955), (121970, 171351)]