20700364545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{9257}}^1$

素因数の和:9535

約数の個数: 96

約数和(自身を含む): 42518661120

約数和(自身を除く): 21818296575

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 229, 279, 315, 465, 651, 687, 1085, 1145, 1395, 1603, 1953, 2061, 3255, 3435, 4809, 7099, 8015, 9257, 9765, 10305, 14427, 21297, 24045, 27771, 35495, 46285, 49693, 63891, 64799, 72135, 83313, 106485, 138855, 149079, 194397, 248465, 286967, 319455, 323995, 416565, 447237, 583191, 745395, 860901, 971985, 1434835, 2008769, 2119853, 2236185, 2582703, 2915955, 4304505, 6026307, 6359559, 10043845, 10599265, 12913515, 14838971, 18078921, 19078677, 30131535, 31797795, 44516913, 65715443, 74194855, 90394605, 95393385, 133550739, 197146329, 222584565, 328577215, 460008101, 591438987, 667753695, 985731645, 1380024303, 2300040505, 2957194935, 4140072909, 6900121515, 20700364545]

約数ペア:

[(1, 20700364545), (3, 6900121515), (5, 4140072909), (7, 2957194935), (9, 2300040505), (15, 1380024303), (21, 985731645), (31, 667753695), (35, 591438987), (45, 460008101), (63, 328577215), (93, 222584565), (105, 197146329), (155, 133550739), (217, 95393385), (229, 90394605), (279, 74194855), (315, 65715443), (465, 44516913), (651, 31797795), (687, 30131535), (1085, 19078677), (1145, 18078921), (1395, 14838971), (1603, 12913515), (1953, 10599265), (2061, 10043845), (3255, 6359559), (3435, 6026307), (4809, 4304505), (7099, 2915955), (8015, 2582703), (9257, 2236185), (9765, 2119853), (10305, 2008769), (14427, 1434835), (21297, 971985), (24045, 860901), (27771, 745395), (35495, 583191), (46285, 447237), (49693, 416565), (63891, 323995), (64799, 319455), (72135, 286967), (83313, 248465), (106485, 194397), (138855, 149079)]