20006186720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{70207}}^1$

素因数の和:70372

約数の個数: 96

約数和(自身を含む): 51272621568

約数和(自身を除く): 31266434848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 137, 160, 208, 260, 274, 416, 520, 548, 685, 1040, 1096, 1370, 1781, 2080, 2192, 2740, 3562, 4384, 5480, 7124, 8905, 10960, 14248, 17810, 21920, 28496, 35620, 56992, 70207, 71240, 140414, 142480, 280828, 284960, 351035, 561656, 702070, 912691, 1123312, 1404140, 1825382, 2246624, 2808280, 3650764, 4563455, 5616560, 7301528, 9126910, 9618359, 11233120, 14603056, 18253820, 19236718, 29206112, 36507640, 38473436, 48091795, 73015280, 76946872, 96183590, 125038667, 146030560, 153893744, 192367180, 250077334, 307787488, 384734360, 500154668, 625193335, 769468720, 1000309336, 1250386670, 1538937440, 2000618672, 2500773340, 4001237344, 5001546680, 10003093360, 20006186720]

約数ペア:

[(1, 20006186720), (2, 10003093360), (4, 5001546680), (5, 4001237344), (8, 2500773340), (10, 2000618672), (13, 1538937440), (16, 1250386670), (20, 1000309336), (26, 769468720), (32, 625193335), (40, 500154668), (52, 384734360), (65, 307787488), (80, 250077334), (104, 192367180), (130, 153893744), (137, 146030560), (160, 125038667), (208, 96183590), (260, 76946872), (274, 73015280), (416, 48091795), (520, 38473436), (548, 36507640), (685, 29206112), (1040, 19236718), (1096, 18253820), (1370, 14603056), (1781, 11233120), (2080, 9618359), (2192, 9126910), (2740, 7301528), (3562, 5616560), (4384, 4563455), (5480, 3650764), (7124, 2808280), (8905, 2246624), (10960, 1825382), (14248, 1404140), (17810, 1123312), (21920, 912691), (28496, 702070), (35620, 561656), (56992, 351035), (70207, 284960), (71240, 280828), (140414, 142480)]