20410260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 62318592

約数和(自身を除く): 41908332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 191, 195, 260, 274, 382, 390, 411, 548, 573, 685, 764, 780, 822, 955, 1146, 1370, 1644, 1781, 1910, 2055, 2292, 2483, 2740, 2865, 3562, 3820, 4110, 4966, 5343, 5730, 7124, 7449, 8220, 8905, 9932, 10686, 11460, 12415, 14898, 17810, 21372, 24830, 26167, 26715, 29796, 35620, 37245, 49660, 52334, 53430, 74490, 78501, 104668, 106860, 130835, 148980, 157002, 261670, 314004, 340171, 392505, 523340, 680342, 785010, 1020513, 1360684, 1570020, 1700855, 2041026, 3401710, 4082052, 5102565, 6803420, 10205130, 20410260]

約数ペア:

[(1, 20410260), (2, 10205130), (3, 6803420), (4, 5102565), (5, 4082052), (6, 3401710), (10, 2041026), (12, 1700855), (13, 1570020), (15, 1360684), (20, 1020513), (26, 785010), (30, 680342), (39, 523340), (52, 392505), (60, 340171), (65, 314004), (78, 261670), (130, 157002), (137, 148980), (156, 130835), (191, 106860), (195, 104668), (260, 78501), (274, 74490), (382, 53430), (390, 52334), (411, 49660), (548, 37245), (573, 35620), (685, 29796), (764, 26715), (780, 26167), (822, 24830), (955, 21372), (1146, 17810), (1370, 14898), (1644, 12415), (1781, 11460), (1910, 10686), (2055, 9932), (2292, 8905), (2483, 8220), (2740, 7449), (2865, 7124), (3562, 5730), (3820, 5343), (4110, 4966)]