20237540680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{39217}}^1$

素因数の和:39351

約数の個数: 128

約数和(自身を含む): 55344441600

約数和(自身を除く): 35106900920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 97, 133, 140, 152, 190, 194, 266, 280, 380, 388, 485, 532, 665, 679, 760, 776, 970, 1064, 1330, 1358, 1843, 1940, 2660, 2716, 3395, 3686, 3880, 5320, 5432, 6790, 7372, 9215, 12901, 13580, 14744, 18430, 25802, 27160, 36860, 39217, 51604, 64505, 73720, 78434, 103208, 129010, 156868, 196085, 258020, 274519, 313736, 392170, 516040, 549038, 745123, 784340, 1098076, 1372595, 1490246, 1568680, 2196152, 2745190, 2980492, 3725615, 3804049, 5215861, 5490380, 5960984, 7451230, 7608098, 10431722, 10980760, 14902460, 15216196, 19020245, 20863444, 26079305, 26628343, 29804920, 30432392, 38040490, 41726888, 52158610, 53256686, 72276931, 76080980, 104317220, 106513372, 133141715, 144553862, 152161960, 208634440, 213026744, 266283430, 289107724, 361384655, 505938517, 532566860, 578215448, 722769310, 1011877034, 1065133720, 1445538620, 2023754068, 2529692585, 2891077240, 4047508136, 5059385170, 10118770340, 20237540680]

約数ペア:

[(1, 20237540680), (2, 10118770340), (4, 5059385170), (5, 4047508136), (7, 2891077240), (8, 2529692585), (10, 2023754068), (14, 1445538620), (19, 1065133720), (20, 1011877034), (28, 722769310), (35, 578215448), (38, 532566860), (40, 505938517), (56, 361384655), (70, 289107724), (76, 266283430), (95, 213026744), (97, 208634440), (133, 152161960), (140, 144553862), (152, 133141715), (190, 106513372), (194, 104317220), (266, 76080980), (280, 72276931), (380, 53256686), (388, 52158610), (485, 41726888), (532, 38040490), (665, 30432392), (679, 29804920), (760, 26628343), (776, 26079305), (970, 20863444), (1064, 19020245), (1330, 15216196), (1358, 14902460), (1843, 10980760), (1940, 10431722), (2660, 7608098), (2716, 7451230), (3395, 5960984), (3686, 5490380), (3880, 5215861), (5320, 3804049), (5432, 3725615), (6790, 2980492), (7372, 2745190), (9215, 2196152), (12901, 1568680), (13580, 1490246), (14744, 1372595), (18430, 1098076), (25802, 784340), (27160, 745123), (36860, 549038), (39217, 516040), (51604, 392170), (64505, 313736), (73720, 274519), (78434, 258020), (103208, 196085), (129010, 156868)]