20180956380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25873021}}^1$

素因数の和:25873046

約数の個数: 48

約数和(自身を含む): 60853347744

約数和(自身を除く): 40672391364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25873021, 51746042, 77619063, 103492084, 129365105, 155238126, 258730210, 310476252, 336349273, 388095315, 517460420, 672698546, 776190630, 1009047819, 1345397092, 1552381260, 1681746365, 2018095638, 3363492730, 4036191276, 5045239095, 6726985460, 10090478190, 20180956380]

約数ペア:

[(1, 20180956380), (2, 10090478190), (3, 6726985460), (4, 5045239095), (5, 4036191276), (6, 3363492730), (10, 2018095638), (12, 1681746365), (13, 1552381260), (15, 1345397092), (20, 1009047819), (26, 776190630), (30, 672698546), (39, 517460420), (52, 388095315), (60, 336349273), (65, 310476252), (78, 258730210), (130, 155238126), (156, 129365105), (195, 103492084), (260, 77619063), (390, 51746042), (780, 25873021)]