20199451160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1361149}}^1$

素因数の和:1361220

約数の個数: 64

約数和(自身を含む): 52921512000

約数和(自身を除く): 32722060840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 1361149, 2722298, 5444596, 6805745, 9528043, 10889192, 13611490, 19056086, 27222980, 38112172, 47640215, 54445960, 72140897, 76224344, 95280430, 144281794, 190560860, 288563588, 360704485, 381121720, 504986279, 577127176, 721408970, 1009972558, 1442817940, 2019945116, 2524931395, 2885635880, 4039890232, 5049862790, 10099725580, 20199451160]

約数ペア:

[(1, 20199451160), (2, 10099725580), (4, 5049862790), (5, 4039890232), (7, 2885635880), (8, 2524931395), (10, 2019945116), (14, 1442817940), (20, 1009972558), (28, 721408970), (35, 577127176), (40, 504986279), (53, 381121720), (56, 360704485), (70, 288563588), (106, 190560860), (140, 144281794), (212, 95280430), (265, 76224344), (280, 72140897), (371, 54445960), (424, 47640215), (530, 38112172), (742, 27222980), (1060, 19056086), (1484, 13611490), (1855, 10889192), (2120, 9528043), (2968, 6805745), (3710, 5444596), (7420, 2722298), (14840, 1361149)]