20185969240

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{727}}^1\times {\mathrm{1861}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 45627341760

約数和(自身を除く): 25441372520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 727, 746, 1454, 1492, 1861, 1865, 2908, 2984, 3635, 3722, 3730, 5816, 7270, 7444, 7460, 9305, 14540, 14888, 14920, 18610, 29080, 37220, 74440, 271171, 542342, 694153, 1084684, 1352947, 1355855, 1388306, 2169368, 2705894, 2711710, 2776612, 3470765, 5411788, 5423420, 5553224, 6764735, 6941530, 10823576, 10846840, 13529470, 13883060, 27058940, 27766120, 54117880, 504649231, 1009298462, 2018596924, 2523246155, 4037193848, 5046492310, 10092984620, 20185969240]

約数ペア:

[(1, 20185969240), (2, 10092984620), (4, 5046492310), (5, 4037193848), (8, 2523246155), (10, 2018596924), (20, 1009298462), (40, 504649231), (373, 54117880), (727, 27766120), (746, 27058940), (1454, 13883060), (1492, 13529470), (1861, 10846840), (1865, 10823576), (2908, 6941530), (2984, 6764735), (3635, 5553224), (3722, 5423420), (3730, 5411788), (5816, 3470765), (7270, 2776612), (7444, 2711710), (7460, 2705894), (9305, 2169368), (14540, 1388306), (14888, 1355855), (14920, 1352947), (18610, 1084684), (29080, 694153), (37220, 542342), (74440, 271171)]