20199785830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{12161}}^1$

素因数の和:12625

約数の個数: 64

約数和(自身を含む): 42347111040

約数和(自身を除く): 22147325210

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 389, 427, 610, 778, 854, 1945, 2135, 2723, 3890, 4270, 5446, 12161, 13615, 23729, 24322, 27230, 47458, 60805, 85127, 118645, 121610, 166103, 170254, 237290, 332206, 425635, 741821, 830515, 851270, 1483642, 1661030, 3709105, 4730629, 5192747, 7418210, 9461258, 10385494, 23653145, 25963735, 33114403, 47306290, 51927470, 66228806, 165572015, 288568369, 331144030, 577136738, 1442841845, 2019978583, 2885683690, 4039957166, 10099892915, 20199785830]

約数ペア:

[(1, 20199785830), (2, 10099892915), (5, 4039957166), (7, 2885683690), (10, 2019978583), (14, 1442841845), (35, 577136738), (61, 331144030), (70, 288568369), (122, 165572015), (305, 66228806), (389, 51927470), (427, 47306290), (610, 33114403), (778, 25963735), (854, 23653145), (1945, 10385494), (2135, 9461258), (2723, 7418210), (3890, 5192747), (4270, 4730629), (5446, 3709105), (12161, 1661030), (13615, 1483642), (23729, 851270), (24322, 830515), (27230, 741821), (47458, 425635), (60805, 332206), (85127, 237290), (118645, 170254), (121610, 166103)]