19820940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 39401076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 53, 60, 69, 92, 106, 115, 138, 159, 212, 230, 265, 271, 276, 318, 345, 460, 530, 542, 636, 690, 795, 813, 1060, 1084, 1219, 1355, 1380, 1590, 1626, 2438, 2710, 3180, 3252, 3657, 4065, 4876, 5420, 6095, 6233, 7314, 8130, 12190, 12466, 14363, 14628, 16260, 18285, 18699, 24380, 24932, 28726, 31165, 36570, 37398, 43089, 57452, 62330, 71815, 73140, 74796, 86178, 93495, 124660, 143630, 172356, 186990, 215445, 287260, 330349, 373980, 430890, 660698, 861780, 991047, 1321396, 1651745, 1982094, 3303490, 3964188, 4955235, 6606980, 9910470, 19820940]

約数ペア:

[(1, 19820940), (2, 9910470), (3, 6606980), (4, 4955235), (5, 3964188), (6, 3303490), (10, 1982094), (12, 1651745), (15, 1321396), (20, 991047), (23, 861780), (30, 660698), (46, 430890), (53, 373980), (60, 330349), (69, 287260), (92, 215445), (106, 186990), (115, 172356), (138, 143630), (159, 124660), (212, 93495), (230, 86178), (265, 74796), (271, 73140), (276, 71815), (318, 62330), (345, 57452), (460, 43089), (530, 37398), (542, 36570), (636, 31165), (690, 28726), (795, 24932), (813, 24380), (1060, 18699), (1084, 18285), (1219, 16260), (1355, 14628), (1380, 14363), (1590, 12466), (1626, 12190), (2438, 8130), (2710, 7314), (3180, 6233), (3252, 6095), (3657, 5420), (4065, 4876)]