20304120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 66484800

約数和(自身を除く): 46180680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 269, 296, 340, 370, 408, 444, 510, 538, 555, 629, 680, 740, 807, 888, 1020, 1076, 1110, 1258, 1345, 1480, 1614, 1887, 2040, 2152, 2220, 2516, 2690, 3145, 3228, 3774, 4035, 4440, 4573, 5032, 5380, 6290, 6456, 7548, 8070, 9146, 9435, 9953, 10760, 12580, 13719, 15096, 16140, 18292, 18870, 19906, 22865, 25160, 27438, 29859, 32280, 36584, 37740, 39812, 45730, 49765, 54876, 59718, 68595, 75480, 79624, 91460, 99530, 109752, 119436, 137190, 149295, 169201, 182920, 199060, 238872, 274380, 298590, 338402, 398120, 507603, 548760, 597180, 676804, 846005, 1015206, 1194360, 1353608, 1692010, 2030412, 2538015, 3384020, 4060824, 5076030, 6768040, 10152060, 20304120]

約数ペア:

[(1, 20304120), (2, 10152060), (3, 6768040), (4, 5076030), (5, 4060824), (6, 3384020), (8, 2538015), (10, 2030412), (12, 1692010), (15, 1353608), (17, 1194360), (20, 1015206), (24, 846005), (30, 676804), (34, 597180), (37, 548760), (40, 507603), (51, 398120), (60, 338402), (68, 298590), (74, 274380), (85, 238872), (102, 199060), (111, 182920), (120, 169201), (136, 149295), (148, 137190), (170, 119436), (185, 109752), (204, 99530), (222, 91460), (255, 79624), (269, 75480), (296, 68595), (340, 59718), (370, 54876), (408, 49765), (444, 45730), (510, 39812), (538, 37740), (555, 36584), (629, 32280), (680, 29859), (740, 27438), (807, 25160), (888, 22865), (1020, 19906), (1076, 18870), (1110, 18292), (1258, 16140), (1345, 15096), (1480, 13719), (1614, 12580), (1887, 10760), (2040, 9953), (2152, 9435), (2220, 9146), (2516, 8070), (2690, 7548), (3145, 6456), (3228, 6290), (3774, 5380), (4035, 5032), (4440, 4573)]