20565532910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1770

約数の個数: 128

約数和(自身を含む): 43475927040

約数和(自身を除く): 22910394130

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 47, 65, 85, 94, 127, 130, 170, 221, 235, 254, 442, 470, 611, 635, 799, 1105, 1222, 1270, 1559, 1598, 1651, 2159, 2210, 3055, 3118, 3302, 3995, 4318, 5969, 6110, 7795, 7990, 8255, 10387, 10795, 11938, 15590, 16510, 20267, 20774, 21590, 26503, 28067, 29845, 40534, 51935, 53006, 56134, 59690, 73273, 77597, 101335, 101473, 103870, 132515, 140335, 146546, 155194, 197993, 202670, 202946, 265030, 280670, 344539, 366365, 387985, 395986, 507365, 689078, 732730, 775970, 952549, 989965, 1014730, 1245641, 1319149, 1722695, 1905098, 1979930, 2491282, 2573909, 2638298, 3365881, 3445390, 4762745, 5147818, 6228205, 6595745, 6731762, 9305671, 9525490, 12456410, 12869545, 13191490, 16193333, 16829405, 18611342, 25739090, 32386666, 33658810, 43756453, 46528355, 80966665, 87512906, 93056710, 120973723, 158196407, 161933330, 218782265, 241947446, 316392814, 437564530, 604868615, 790982035, 1209737230, 1581964070, 2056553291, 4113106582, 10282766455, 20565532910]

約数ペア:

[(1, 20565532910), (2, 10282766455), (5, 4113106582), (10, 2056553291), (13, 1581964070), (17, 1209737230), (26, 790982035), (34, 604868615), (47, 437564530), (65, 316392814), (85, 241947446), (94, 218782265), (127, 161933330), (130, 158196407), (170, 120973723), (221, 93056710), (235, 87512906), (254, 80966665), (442, 46528355), (470, 43756453), (611, 33658810), (635, 32386666), (799, 25739090), (1105, 18611342), (1222, 16829405), (1270, 16193333), (1559, 13191490), (1598, 12869545), (1651, 12456410), (2159, 9525490), (2210, 9305671), (3055, 6731762), (3118, 6595745), (3302, 6228205), (3995, 5147818), (4318, 4762745), (5969, 3445390), (6110, 3365881), (7795, 2638298), (7990, 2573909), (8255, 2491282), (10387, 1979930), (10795, 1905098), (11938, 1722695), (15590, 1319149), (16510, 1245641), (20267, 1014730), (20774, 989965), (21590, 952549), (26503, 775970), (28067, 732730), (29845, 689078), (40534, 507365), (51935, 395986), (53006, 387985), (56134, 366365), (59690, 344539), (73273, 280670), (77597, 265030), (101335, 202946), (101473, 202670), (103870, 197993), (132515, 155194), (140335, 146546)]