20764288510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{22993}}^1$

素因数の和:23130

約数の個数: 96

約数和(自身を含む): 46240014240

約数和(自身を除く): 25475725730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 97, 98, 133, 190, 194, 245, 266, 485, 490, 665, 679, 931, 970, 1330, 1358, 1843, 1862, 3395, 3686, 4655, 4753, 6790, 9215, 9310, 9506, 12901, 18430, 22993, 23765, 25802, 45986, 47530, 64505, 90307, 114965, 129010, 160951, 180614, 229930, 321902, 436867, 451535, 804755, 873734, 903070, 1126657, 1609510, 2184335, 2230321, 2253314, 3058069, 4368670, 4460642, 5633285, 6116138, 11151605, 11266570, 15290345, 15612247, 21406483, 22303210, 30580690, 31224494, 42376099, 42812966, 78061235, 84752198, 107032415, 109285729, 156122470, 211880495, 214064830, 218571458, 296632693, 423760990, 546428645, 593265386, 1092857290, 1483163465, 2076428851, 2966326930, 4152857702, 10382144255, 20764288510]

約数ペア:

[(1, 20764288510), (2, 10382144255), (5, 4152857702), (7, 2966326930), (10, 2076428851), (14, 1483163465), (19, 1092857290), (35, 593265386), (38, 546428645), (49, 423760990), (70, 296632693), (95, 218571458), (97, 214064830), (98, 211880495), (133, 156122470), (190, 109285729), (194, 107032415), (245, 84752198), (266, 78061235), (485, 42812966), (490, 42376099), (665, 31224494), (679, 30580690), (931, 22303210), (970, 21406483), (1330, 15612247), (1358, 15290345), (1843, 11266570), (1862, 11151605), (3395, 6116138), (3686, 5633285), (4655, 4460642), (4753, 4368670), (6790, 3058069), (9215, 2253314), (9310, 2230321), (9506, 2184335), (12901, 1609510), (18430, 1126657), (22993, 903070), (23765, 873734), (25802, 804755), (45986, 451535), (47530, 436867), (64505, 321902), (90307, 229930), (114965, 180614), (129010, 160951)]