20138289420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{142039}}^1$

素因数の和:142207

約数の個数: 96

約数和(自身を含む): 60134054400

約数和(自身を除く): 39995764980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 340, 417, 510, 556, 695, 834, 1020, 1390, 1668, 2085, 2363, 2780, 4170, 4726, 7089, 8340, 9452, 11815, 14178, 23630, 28356, 35445, 47260, 70890, 141780, 142039, 284078, 426117, 568156, 710195, 852234, 1420390, 1704468, 2130585, 2414663, 2840780, 4261170, 4829326, 7243989, 8522340, 9658652, 12073315, 14487978, 19743421, 24146630, 28975956, 36219945, 39486842, 48293260, 59230263, 72439890, 78973684, 98717105, 118460526, 144879780, 197434210, 236921052, 296151315, 335638157, 394868420, 592302630, 671276314, 1006914471, 1184605260, 1342552628, 1678190785, 2013828942, 3356381570, 4027657884, 5034572355, 6712763140, 10069144710, 20138289420]

約数ペア:

[(1, 20138289420), (2, 10069144710), (3, 6712763140), (4, 5034572355), (5, 4027657884), (6, 3356381570), (10, 2013828942), (12, 1678190785), (15, 1342552628), (17, 1184605260), (20, 1006914471), (30, 671276314), (34, 592302630), (51, 394868420), (60, 335638157), (68, 296151315), (85, 236921052), (102, 197434210), (139, 144879780), (170, 118460526), (204, 98717105), (255, 78973684), (278, 72439890), (340, 59230263), (417, 48293260), (510, 39486842), (556, 36219945), (695, 28975956), (834, 24146630), (1020, 19743421), (1390, 14487978), (1668, 12073315), (2085, 9658652), (2363, 8522340), (2780, 7243989), (4170, 4829326), (4726, 4261170), (7089, 2840780), (8340, 2414663), (9452, 2130585), (11815, 1704468), (14178, 1420390), (23630, 852234), (28356, 710195), (35445, 568156), (47260, 426117), (70890, 284078), (141780, 142039)]