20275470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36333810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 71, 90, 95, 114, 142, 167, 171, 190, 213, 285, 334, 342, 355, 426, 501, 570, 639, 710, 835, 855, 1002, 1065, 1278, 1349, 1503, 1670, 1710, 2130, 2505, 2698, 3006, 3173, 3195, 4047, 5010, 6346, 6390, 6745, 7515, 8094, 9519, 11857, 12141, 13490, 15030, 15865, 19038, 20235, 23714, 24282, 28557, 31730, 35571, 40470, 47595, 57114, 59285, 60705, 71142, 95190, 106713, 118570, 121410, 142785, 177855, 213426, 225283, 285570, 355710, 450566, 533565, 675849, 1067130, 1126415, 1351698, 2027547, 2252830, 3379245, 4055094, 6758490, 10137735, 20275470]

約数ペア:

[(1, 20275470), (2, 10137735), (3, 6758490), (5, 4055094), (6, 3379245), (9, 2252830), (10, 2027547), (15, 1351698), (18, 1126415), (19, 1067130), (30, 675849), (38, 533565), (45, 450566), (57, 355710), (71, 285570), (90, 225283), (95, 213426), (114, 177855), (142, 142785), (167, 121410), (171, 118570), (190, 106713), (213, 95190), (285, 71142), (334, 60705), (342, 59285), (355, 57114), (426, 47595), (501, 40470), (570, 35571), (639, 31730), (710, 28557), (835, 24282), (855, 23714), (1002, 20235), (1065, 19038), (1278, 15865), (1349, 15030), (1503, 13490), (1670, 12141), (1710, 11857), (2130, 9519), (2505, 8094), (2698, 7515), (3006, 6745), (3173, 6390), (3195, 6346), (4047, 5010)]