20253996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 60999680

約数和(自身を除く): 40745684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 84, 108, 126, 146, 189, 219, 252, 292, 367, 378, 438, 511, 657, 734, 756, 876, 1022, 1101, 1314, 1468, 1533, 1971, 2044, 2202, 2569, 2628, 3066, 3303, 3942, 4404, 4599, 5138, 6132, 6606, 7707, 7884, 9198, 9909, 10276, 13212, 13797, 15414, 18396, 19818, 23121, 26791, 27594, 30828, 39636, 46242, 53582, 55188, 69363, 80373, 92484, 107164, 138726, 160746, 187537, 241119, 277452, 321492, 375074, 482238, 562611, 723357, 750148, 964476, 1125222, 1446714, 1687833, 2250444, 2893428, 3375666, 5063499, 6751332, 10126998, 20253996]

約数ペア:

[(1, 20253996), (2, 10126998), (3, 6751332), (4, 5063499), (6, 3375666), (7, 2893428), (9, 2250444), (12, 1687833), (14, 1446714), (18, 1125222), (21, 964476), (27, 750148), (28, 723357), (36, 562611), (42, 482238), (54, 375074), (63, 321492), (73, 277452), (84, 241119), (108, 187537), (126, 160746), (146, 138726), (189, 107164), (219, 92484), (252, 80373), (292, 69363), (367, 55188), (378, 53582), (438, 46242), (511, 39636), (657, 30828), (734, 27594), (756, 26791), (876, 23121), (1022, 19818), (1101, 18396), (1314, 15414), (1468, 13797), (1533, 13212), (1971, 10276), (2044, 9909), (2202, 9198), (2569, 7884), (2628, 7707), (3066, 6606), (3303, 6132), (3942, 5138), (4404, 4599)]