20600444920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1\times {\mathrm{1933}}^1$

素因数の和:2465

約数の個数: 128

約数和(自身を含む): 51658223040

約数和(自身を除く): 31057778120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 457, 530, 583, 914, 1060, 1166, 1828, 1933, 2120, 2285, 2332, 2915, 3656, 3866, 4570, 4664, 5027, 5830, 7732, 9140, 9665, 10054, 11660, 15464, 18280, 19330, 20108, 21263, 23320, 24221, 25135, 38660, 40216, 42526, 48442, 50270, 77320, 85052, 96884, 100540, 102449, 106315, 121105, 170104, 193768, 201080, 204898, 212630, 242210, 266431, 409796, 425260, 484420, 512245, 532862, 819592, 850520, 883381, 968840, 1024490, 1065724, 1126939, 1332155, 1766762, 2048980, 2131448, 2253878, 2664310, 3533524, 4097960, 4416905, 4507756, 5328620, 5634695, 7067048, 8833810, 9015512, 9717191, 10657240, 11269390, 17667620, 19434382, 22538780, 35335240, 38868764, 45077560, 46819193, 48585955, 77737528, 93638386, 97171910, 187276772, 194343820, 234095965, 374553544, 388687640, 468191930, 515011123, 936383860, 1030022246, 1872767720, 2060044492, 2575055615, 4120088984, 5150111230, 10300222460, 20600444920]

約数ペア:

[(1, 20600444920), (2, 10300222460), (4, 5150111230), (5, 4120088984), (8, 2575055615), (10, 2060044492), (11, 1872767720), (20, 1030022246), (22, 936383860), (40, 515011123), (44, 468191930), (53, 388687640), (55, 374553544), (88, 234095965), (106, 194343820), (110, 187276772), (212, 97171910), (220, 93638386), (265, 77737528), (424, 48585955), (440, 46819193), (457, 45077560), (530, 38868764), (583, 35335240), (914, 22538780), (1060, 19434382), (1166, 17667620), (1828, 11269390), (1933, 10657240), (2120, 9717191), (2285, 9015512), (2332, 8833810), (2915, 7067048), (3656, 5634695), (3866, 5328620), (4570, 4507756), (4664, 4416905), (5027, 4097960), (5830, 3533524), (7732, 2664310), (9140, 2253878), (9665, 2131448), (10054, 2048980), (11660, 1766762), (15464, 1332155), (18280, 1126939), (19330, 1065724), (20108, 1024490), (21263, 968840), (23320, 883381), (24221, 850520), (25135, 819592), (38660, 532862), (40216, 512245), (42526, 484420), (48442, 425260), (50270, 409796), (77320, 266431), (85052, 242210), (96884, 212630), (100540, 204898), (102449, 201080), (106315, 193768), (121105, 170104)]