20701890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1901}}^1$

素因数の和:1936

約数の個数: 72

約数和(自身を含む): 59194044

約数和(自身を除く): 38492154

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 1901, 2178, 3630, 3802, 5445, 5703, 9505, 10890, 11406, 17109, 19010, 20911, 28515, 34218, 41822, 57030, 62733, 85545, 104555, 125466, 171090, 188199, 209110, 230021, 313665, 376398, 460042, 627330, 690063, 940995, 1150105, 1380126, 1881990, 2070189, 2300210, 3450315, 4140378, 6900630, 10350945, 20701890]

約数ペア:

[(1, 20701890), (2, 10350945), (3, 6900630), (5, 4140378), (6, 3450315), (9, 2300210), (10, 2070189), (11, 1881990), (15, 1380126), (18, 1150105), (22, 940995), (30, 690063), (33, 627330), (45, 460042), (55, 376398), (66, 313665), (90, 230021), (99, 209110), (110, 188199), (121, 171090), (165, 125466), (198, 104555), (242, 85545), (330, 62733), (363, 57030), (495, 41822), (605, 34218), (726, 28515), (990, 20911), (1089, 19010), (1210, 17109), (1815, 11406), (1901, 10890), (2178, 9505), (3630, 5703), (3802, 5445)]