20295600848

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 40452410880

約数和(自身を除く): 20156810032

約数列:

[1, 2, 4, 8, 16, 61, 122, 167, 239, 244, 334, 478, 488, 521, 668, 956, 976, 1042, 1336, 1912, 2084, 2672, 3824, 4168, 8336, 10187, 14579, 20374, 29158, 31781, 39913, 40748, 58316, 63562, 79826, 81496, 87007, 116632, 124519, 127124, 159652, 162992, 174014, 233264, 249038, 254248, 319304, 348028, 498076, 508496, 638608, 696056, 996152, 1392112, 1992304, 2434693, 4869386, 5307427, 7595659, 9738772, 10614854, 15191318, 19477544, 20794673, 21229708, 30382636, 38955088, 41589346, 42459416, 60765272, 83178692, 84918832, 121530544, 166357384, 332714768, 1268475053, 2536950106, 5073900212, 10147800424, 20295600848]

約数ペア:

[(1, 20295600848), (2, 10147800424), (4, 5073900212), (8, 2536950106), (16, 1268475053), (61, 332714768), (122, 166357384), (167, 121530544), (239, 84918832), (244, 83178692), (334, 60765272), (478, 42459416), (488, 41589346), (521, 38955088), (668, 30382636), (956, 21229708), (976, 20794673), (1042, 19477544), (1336, 15191318), (1912, 10614854), (2084, 9738772), (2672, 7595659), (3824, 5307427), (4168, 4869386), (8336, 2434693), (10187, 1992304), (14579, 1392112), (20374, 996152), (29158, 696056), (31781, 638608), (39913, 508496), (40748, 498076), (58316, 348028), (63562, 319304), (79826, 254248), (81496, 249038), (87007, 233264), (116632, 174014), (124519, 162992), (127124, 159652)]