20187330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1771

約数の個数: 64

約数和(自身を含む): 53561088

約数和(自身を除く): 33373758

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1721, 1955, 2346, 3442, 3910, 5163, 5865, 8605, 10326, 11730, 17210, 25815, 29257, 39583, 51630, 58514, 79166, 87771, 118749, 146285, 175542, 197915, 237498, 292570, 395830, 438855, 593745, 672911, 877710, 1187490, 1345822, 2018733, 3364555, 4037466, 6729110, 10093665, 20187330]

約数ペア:

[(1, 20187330), (2, 10093665), (3, 6729110), (5, 4037466), (6, 3364555), (10, 2018733), (15, 1345822), (17, 1187490), (23, 877710), (30, 672911), (34, 593745), (46, 438855), (51, 395830), (69, 292570), (85, 237498), (102, 197915), (115, 175542), (138, 146285), (170, 118749), (230, 87771), (255, 79166), (345, 58514), (391, 51630), (510, 39583), (690, 29257), (782, 25815), (1173, 17210), (1721, 11730), (1955, 10326), (2346, 8605), (3442, 5865), (3910, 5163)]