20403955260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{63647}}^1$

素因数の和:63812

約数の個数: 144

約数和(自身を含む): 67140493056

約数和(自身を除く): 46736537796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 137, 156, 180, 195, 234, 260, 274, 390, 411, 468, 548, 585, 685, 780, 822, 1170, 1233, 1370, 1644, 1781, 2055, 2340, 2466, 2740, 3562, 4110, 4932, 5343, 6165, 7124, 8220, 8905, 10686, 12330, 16029, 17810, 21372, 24660, 26715, 32058, 35620, 53430, 63647, 64116, 80145, 106860, 127294, 160290, 190941, 254588, 318235, 320580, 381882, 572823, 636470, 763764, 827411, 954705, 1145646, 1272940, 1654822, 1909410, 2291292, 2482233, 2864115, 3309644, 3818820, 4137055, 4964466, 5728230, 7446699, 8274110, 8719639, 9928932, 11456460, 12411165, 14893398, 16548220, 17439278, 24822330, 26158917, 29786796, 34878556, 37233495, 43598195, 49644660, 52317834, 74466990, 78476751, 87196390, 104635668, 113355307, 130794585, 148933980, 156953502, 174392780, 226710614, 261589170, 313907004, 340065921, 392383755, 453421228, 523178340, 566776535, 680131842, 784767510, 1020197763, 1133553070, 1360263684, 1569535020, 1700329605, 2040395526, 2267106140, 3400659210, 4080791052, 5100988815, 6801318420, 10201977630, 20403955260]

約数ペア:

[(1, 20403955260), (2, 10201977630), (3, 6801318420), (4, 5100988815), (5, 4080791052), (6, 3400659210), (9, 2267106140), (10, 2040395526), (12, 1700329605), (13, 1569535020), (15, 1360263684), (18, 1133553070), (20, 1020197763), (26, 784767510), (30, 680131842), (36, 566776535), (39, 523178340), (45, 453421228), (52, 392383755), (60, 340065921), (65, 313907004), (78, 261589170), (90, 226710614), (117, 174392780), (130, 156953502), (137, 148933980), (156, 130794585), (180, 113355307), (195, 104635668), (234, 87196390), (260, 78476751), (274, 74466990), (390, 52317834), (411, 49644660), (468, 43598195), (548, 37233495), (585, 34878556), (685, 29786796), (780, 26158917), (822, 24822330), (1170, 17439278), (1233, 16548220), (1370, 14893398), (1644, 12411165), (1781, 11456460), (2055, 9928932), (2340, 8719639), (2466, 8274110), (2740, 7446699), (3562, 5728230), (4110, 4964466), (4932, 4137055), (5343, 3818820), (6165, 3309644), (7124, 2864115), (8220, 2482233), (8905, 2291292), (10686, 1909410), (12330, 1654822), (16029, 1272940), (17810, 1145646), (21372, 954705), (24660, 827411), (26715, 763764), (32058, 636470), (35620, 572823), (53430, 381882), (63647, 320580), (64116, 318235), (80145, 254588), (106860, 190941), (127294, 160290)]