20400300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1232

約数の個数: 108

約数和(自身を含む): 67365480

約数和(自身を除く): 46965180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1193, 1425, 1710, 1900, 2386, 2850, 3420, 3579, 4275, 4772, 5700, 5965, 7158, 8550, 10737, 11930, 14316, 17100, 17895, 21474, 22667, 23860, 29825, 35790, 42948, 45334, 53685, 59650, 68001, 71580, 89475, 90668, 107370, 113335, 119300, 136002, 178950, 204003, 214740, 226670, 268425, 272004, 340005, 357900, 408006, 453340, 536850, 566675, 680010, 816012, 1020015, 1073700, 1133350, 1360020, 1700025, 2040030, 2266700, 3400050, 4080060, 5100075, 6800100, 10200150, 20400300]

約数ペア:

[(1, 20400300), (2, 10200150), (3, 6800100), (4, 5100075), (5, 4080060), (6, 3400050), (9, 2266700), (10, 2040030), (12, 1700025), (15, 1360020), (18, 1133350), (19, 1073700), (20, 1020015), (25, 816012), (30, 680010), (36, 566675), (38, 536850), (45, 453340), (50, 408006), (57, 357900), (60, 340005), (75, 272004), (76, 268425), (90, 226670), (95, 214740), (100, 204003), (114, 178950), (150, 136002), (171, 119300), (180, 113335), (190, 107370), (225, 90668), (228, 89475), (285, 71580), (300, 68001), (342, 59650), (380, 53685), (450, 45334), (475, 42948), (570, 35790), (684, 29825), (855, 23860), (900, 22667), (950, 21474), (1140, 17895), (1193, 17100), (1425, 14316), (1710, 11930), (1900, 10737), (2386, 8550), (2850, 7158), (3420, 5965), (3579, 5700), (4275, 4772)]