20193110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 24596650

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 71, 85, 119, 142, 170, 238, 239, 355, 478, 497, 595, 710, 994, 1190, 1195, 1207, 1673, 2390, 2414, 2485, 3346, 4063, 4970, 6035, 8126, 8365, 8449, 12070, 16730, 16898, 16969, 20315, 28441, 33938, 40630, 42245, 56882, 84490, 84845, 118783, 142205, 169690, 237566, 284410, 288473, 576946, 593915, 1187830, 1442365, 2019311, 2884730, 4038622, 10096555, 20193110]

約数ペア:

[(1, 20193110), (2, 10096555), (5, 4038622), (7, 2884730), (10, 2019311), (14, 1442365), (17, 1187830), (34, 593915), (35, 576946), (70, 288473), (71, 284410), (85, 237566), (119, 169690), (142, 142205), (170, 118783), (238, 84845), (239, 84490), (355, 56882), (478, 42245), (497, 40630), (595, 33938), (710, 28441), (994, 20315), (1190, 16969), (1195, 16898), (1207, 16730), (1673, 12070), (2390, 8449), (2414, 8365), (2485, 8126), (3346, 6035), (4063, 4970)]