20438796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 57802752

約数和(自身を除く): 37363956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 47, 62, 84, 93, 94, 124, 141, 167, 186, 188, 217, 282, 329, 334, 372, 434, 501, 564, 651, 658, 668, 868, 987, 1002, 1169, 1302, 1316, 1457, 1974, 2004, 2338, 2604, 2914, 3507, 3948, 4371, 4676, 5177, 5828, 7014, 7849, 8742, 10199, 10354, 14028, 15531, 15698, 17484, 20398, 20708, 23547, 30597, 31062, 31396, 36239, 40796, 47094, 54943, 61194, 62124, 72478, 94188, 108717, 109886, 122388, 144956, 164829, 217434, 219772, 243319, 329658, 434868, 486638, 659316, 729957, 973276, 1459914, 1703233, 2919828, 3406466, 5109699, 6812932, 10219398, 20438796]

約数ペア:

[(1, 20438796), (2, 10219398), (3, 6812932), (4, 5109699), (6, 3406466), (7, 2919828), (12, 1703233), (14, 1459914), (21, 973276), (28, 729957), (31, 659316), (42, 486638), (47, 434868), (62, 329658), (84, 243319), (93, 219772), (94, 217434), (124, 164829), (141, 144956), (167, 122388), (186, 109886), (188, 108717), (217, 94188), (282, 72478), (329, 62124), (334, 61194), (372, 54943), (434, 47094), (501, 40796), (564, 36239), (651, 31396), (658, 31062), (668, 30597), (868, 23547), (987, 20708), (1002, 20398), (1169, 17484), (1302, 15698), (1316, 15531), (1457, 14028), (1974, 10354), (2004, 10199), (2338, 8742), (2604, 7849), (2914, 7014), (3507, 5828), (3948, 5177), (4371, 4676)]