20172729948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{22189}}^1$

素因数の和:22419

約数の個数: 96

約数和(自身を含む): 54874982400

約数和(自身を除く): 34702252452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 137, 158, 237, 274, 316, 411, 474, 548, 553, 822, 948, 959, 1106, 1644, 1659, 1918, 2212, 2877, 3318, 3836, 5754, 6636, 10823, 11508, 21646, 22189, 32469, 43292, 44378, 64938, 66567, 75761, 88756, 129876, 133134, 151522, 155323, 227283, 266268, 303044, 310646, 454566, 465969, 621292, 909132, 931938, 1752931, 1863876, 3039893, 3505862, 5258793, 6079786, 7011724, 9119679, 10517586, 12159572, 12270517, 18239358, 21035172, 21279251, 24541034, 36478716, 36811551, 42558502, 49082068, 63837753, 73623102, 85117004, 127675506, 147246204, 240151547, 255351012, 480303094, 720454641, 960606188, 1440909282, 1681060829, 2881818564, 3362121658, 5043182487, 6724243316, 10086364974, 20172729948]

約数ペア:

[(1, 20172729948), (2, 10086364974), (3, 6724243316), (4, 5043182487), (6, 3362121658), (7, 2881818564), (12, 1681060829), (14, 1440909282), (21, 960606188), (28, 720454641), (42, 480303094), (79, 255351012), (84, 240151547), (137, 147246204), (158, 127675506), (237, 85117004), (274, 73623102), (316, 63837753), (411, 49082068), (474, 42558502), (548, 36811551), (553, 36478716), (822, 24541034), (948, 21279251), (959, 21035172), (1106, 18239358), (1644, 12270517), (1659, 12159572), (1918, 10517586), (2212, 9119679), (2877, 7011724), (3318, 6079786), (3836, 5258793), (5754, 3505862), (6636, 3039893), (10823, 1863876), (11508, 1752931), (21646, 931938), (22189, 909132), (32469, 621292), (43292, 465969), (44378, 454566), (64938, 310646), (66567, 303044), (75761, 266268), (88756, 227283), (129876, 155323), (133134, 151522)]