20176881690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{611977}}^1$

素因数の和:612151

約数の個数: 64

約数和(自身を含む): 55694893824

約数和(自身を除く): 35518012134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 2198, 2355, 3297, 4710, 5495, 6594, 10990, 16485, 32970, 611977, 1223954, 1835931, 3059885, 3671862, 4283839, 6119770, 8567678, 9179655, 12851517, 18359310, 21419195, 25703034, 42838390, 64257585, 96080389, 128515170, 192160778, 288241167, 480401945, 576482334, 672562723, 960803890, 1345125446, 1441205835, 2017688169, 2882411670, 3362813615, 4035376338, 6725627230, 10088440845, 20176881690]

約数ペア:

[(1, 20176881690), (2, 10088440845), (3, 6725627230), (5, 4035376338), (6, 3362813615), (7, 2882411670), (10, 2017688169), (14, 1441205835), (15, 1345125446), (21, 960803890), (30, 672562723), (35, 576482334), (42, 480401945), (70, 288241167), (105, 192160778), (157, 128515170), (210, 96080389), (314, 64257585), (471, 42838390), (785, 25703034), (942, 21419195), (1099, 18359310), (1570, 12851517), (2198, 9179655), (2355, 8567678), (3297, 6119770), (4710, 4283839), (5495, 3671862), (6594, 3059885), (10990, 1835931), (16485, 1223954), (32970, 611977)]