20216949974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{2549}}^1$

素因数の和:2817

約数の個数: 64

約数和(自身を含む): 34520472000

約数和(自身を除く): 14303522026

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 157, 314, 377, 754, 871, 1742, 1943, 2041, 2549, 3886, 4082, 4553, 5098, 9106, 10519, 21038, 25259, 33137, 50518, 59189, 66274, 73921, 118378, 136747, 147842, 170783, 273494, 305051, 341566, 400193, 610102, 800386, 960973, 1921946, 2220179, 3965663, 4440358, 4952707, 5202509, 7931326, 9905414, 10405018, 11605597, 23211194, 26812931, 53625862, 64385191, 128770382, 150872761, 301745522, 348568103, 697136206, 777574999, 1555149998, 10108474987, 20216949974]

約数ペア:

[(1, 20216949974), (2, 10108474987), (13, 1555149998), (26, 777574999), (29, 697136206), (58, 348568103), (67, 301745522), (134, 150872761), (157, 128770382), (314, 64385191), (377, 53625862), (754, 26812931), (871, 23211194), (1742, 11605597), (1943, 10405018), (2041, 9905414), (2549, 7931326), (3886, 5202509), (4082, 4952707), (4553, 4440358), (5098, 3965663), (9106, 2220179), (10519, 1921946), (21038, 960973), (25259, 800386), (33137, 610102), (50518, 400193), (59189, 341566), (66274, 305051), (73921, 273494), (118378, 170783), (136747, 147842)]