20011140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 41315580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1039, 1070, 1284, 1605, 1926, 2078, 2140, 3117, 3210, 3852, 4156, 4815, 5195, 6234, 6420, 9351, 9630, 10390, 12468, 15585, 18702, 19260, 20780, 31170, 37404, 46755, 62340, 93510, 111173, 187020, 222346, 333519, 444692, 555865, 667038, 1000557, 1111730, 1334076, 1667595, 2001114, 2223460, 3335190, 4002228, 5002785, 6670380, 10005570, 20011140]

約数ペア:

[(1, 20011140), (2, 10005570), (3, 6670380), (4, 5002785), (5, 4002228), (6, 3335190), (9, 2223460), (10, 2001114), (12, 1667595), (15, 1334076), (18, 1111730), (20, 1000557), (30, 667038), (36, 555865), (45, 444692), (60, 333519), (90, 222346), (107, 187020), (180, 111173), (214, 93510), (321, 62340), (428, 46755), (535, 37404), (642, 31170), (963, 20780), (1039, 19260), (1070, 18702), (1284, 15585), (1605, 12468), (1926, 10390), (2078, 9630), (2140, 9351), (3117, 6420), (3210, 6234), (3852, 5195), (4156, 4815)]