20169954488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1\times {\mathrm{7639}}^1$

素因数の和:8292

約数の個数: 64

約数和(自身を含む): 41256000000

約数和(自身を除く): 21086045512

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 599, 1102, 1198, 2204, 2396, 4408, 4792, 7639, 11381, 15278, 17371, 22762, 30556, 34742, 45524, 61112, 69484, 91048, 138968, 145141, 221531, 290282, 330049, 443062, 580564, 660098, 886124, 1161128, 1320196, 1772248, 2640392, 4209089, 4575761, 8418178, 9151522, 16836356, 18303044, 33672712, 36606088, 86939459, 132697069, 173878918, 265394138, 347757836, 530788276, 695515672, 1061576552, 2521244311, 5042488622, 10084977244, 20169954488]

約数ペア:

[(1, 20169954488), (2, 10084977244), (4, 5042488622), (8, 2521244311), (19, 1061576552), (29, 695515672), (38, 530788276), (58, 347757836), (76, 265394138), (116, 173878918), (152, 132697069), (232, 86939459), (551, 36606088), (599, 33672712), (1102, 18303044), (1198, 16836356), (2204, 9151522), (2396, 8418178), (4408, 4575761), (4792, 4209089), (7639, 2640392), (11381, 1772248), (15278, 1320196), (17371, 1161128), (22762, 886124), (30556, 660098), (34742, 580564), (45524, 443062), (61112, 330049), (69484, 290282), (91048, 221531), (138968, 145141)]