20155761405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{650081}}^1$

素因数の和:650158

約数の個数: 48

約数和(自身を含む): 38334035376

約数和(自身を除く): 18178273971

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 689, 795, 2067, 2385, 3445, 6201, 10335, 31005, 650081, 1950243, 3250405, 5850729, 8451053, 9751215, 25353159, 29253645, 34454293, 42255265, 76059477, 103362879, 126765795, 172271465, 310088637, 380297385, 447905809, 516814395, 1343717427, 1550443185, 2239529045, 4031152281, 6718587135, 20155761405]

約数ペア:

[(1, 20155761405), (3, 6718587135), (5, 4031152281), (9, 2239529045), (13, 1550443185), (15, 1343717427), (39, 516814395), (45, 447905809), (53, 380297385), (65, 310088637), (117, 172271465), (159, 126765795), (195, 103362879), (265, 76059477), (477, 42255265), (585, 34454293), (689, 29253645), (795, 25353159), (2067, 9751215), (2385, 8451053), (3445, 5850729), (6201, 3250405), (10335, 1950243), (31005, 650081)]