20178857850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{15493}}^1$

素因数の和:15984

約数の個数: 96

約数和(自身を含む): 52796114880

約数和(自身を除く): 32617257030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 457, 475, 570, 914, 950, 1371, 1425, 2285, 2742, 2850, 4570, 6855, 8683, 11425, 13710, 15493, 17366, 22850, 26049, 30986, 34275, 43415, 46479, 52098, 68550, 77465, 86830, 92958, 130245, 154930, 217075, 232395, 260490, 294367, 387325, 434150, 464790, 588734, 651225, 774650, 883101, 1161975, 1302450, 1471835, 1766202, 2323950, 2943670, 4415505, 7080301, 7359175, 8831010, 14160602, 14718350, 21240903, 22077525, 35401505, 42481806, 44155050, 70803010, 106204515, 134525719, 177007525, 212409030, 269051438, 354015050, 403577157, 531022575, 672628595, 807154314, 1062045150, 1345257190, 2017885785, 3363142975, 4035771570, 6726285950, 10089428925, 20178857850]

約数ペア:

[(1, 20178857850), (2, 10089428925), (3, 6726285950), (5, 4035771570), (6, 3363142975), (10, 2017885785), (15, 1345257190), (19, 1062045150), (25, 807154314), (30, 672628595), (38, 531022575), (50, 403577157), (57, 354015050), (75, 269051438), (95, 212409030), (114, 177007525), (150, 134525719), (190, 106204515), (285, 70803010), (457, 44155050), (475, 42481806), (570, 35401505), (914, 22077525), (950, 21240903), (1371, 14718350), (1425, 14160602), (2285, 8831010), (2742, 7359175), (2850, 7080301), (4570, 4415505), (6855, 2943670), (8683, 2323950), (11425, 1766202), (13710, 1471835), (15493, 1302450), (17366, 1161975), (22850, 883101), (26049, 774650), (30986, 651225), (34275, 588734), (43415, 464790), (46479, 434150), (52098, 387325), (68550, 294367), (77465, 260490), (86830, 232395), (92958, 217075), (130245, 154930)]