20513610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 58378320

約数和(自身を除く): 37864710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 89, 90, 117, 130, 178, 195, 197, 234, 267, 390, 394, 445, 534, 585, 591, 801, 890, 985, 1157, 1170, 1182, 1335, 1602, 1773, 1970, 2314, 2561, 2670, 2955, 3471, 3546, 4005, 5122, 5785, 5910, 6942, 7683, 8010, 8865, 10413, 11570, 12805, 15366, 17355, 17533, 17730, 20826, 23049, 25610, 34710, 35066, 38415, 46098, 52065, 52599, 76830, 87665, 104130, 105198, 115245, 157797, 175330, 227929, 230490, 262995, 315594, 455858, 525990, 683787, 788985, 1139645, 1367574, 1577970, 2051361, 2279290, 3418935, 4102722, 6837870, 10256805, 20513610]

約数ペア:

[(1, 20513610), (2, 10256805), (3, 6837870), (5, 4102722), (6, 3418935), (9, 2279290), (10, 2051361), (13, 1577970), (15, 1367574), (18, 1139645), (26, 788985), (30, 683787), (39, 525990), (45, 455858), (65, 315594), (78, 262995), (89, 230490), (90, 227929), (117, 175330), (130, 157797), (178, 115245), (195, 105198), (197, 104130), (234, 87665), (267, 76830), (390, 52599), (394, 52065), (445, 46098), (534, 38415), (585, 35066), (591, 34710), (801, 25610), (890, 23049), (985, 20826), (1157, 17730), (1170, 17533), (1182, 17355), (1335, 15366), (1602, 12805), (1773, 11570), (1970, 10413), (2314, 8865), (2561, 8010), (2670, 7683), (2955, 6942), (3471, 5910), (3546, 5785), (4005, 5122)]