20512946490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{41213}}^1$

素因数の和:41623

約数の個数: 64

約数和(自身を含む): 50422196736

約数和(自身を除く): 29909250246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 353, 470, 705, 706, 1059, 1410, 1765, 2118, 3530, 5295, 10590, 16591, 33182, 41213, 49773, 82426, 82955, 99546, 123639, 165910, 206065, 247278, 248865, 412130, 497730, 618195, 1236390, 1937011, 3874022, 5811033, 9685055, 11622066, 14548189, 19370110, 29055165, 29096378, 43644567, 58110330, 72740945, 87289134, 145481890, 218222835, 436445670, 683764883, 1367529766, 2051294649, 3418824415, 4102589298, 6837648830, 10256473245, 20512946490]

約数ペア:

[(1, 20512946490), (2, 10256473245), (3, 6837648830), (5, 4102589298), (6, 3418824415), (10, 2051294649), (15, 1367529766), (30, 683764883), (47, 436445670), (94, 218222835), (141, 145481890), (235, 87289134), (282, 72740945), (353, 58110330), (470, 43644567), (705, 29096378), (706, 29055165), (1059, 19370110), (1410, 14548189), (1765, 11622066), (2118, 9685055), (3530, 5811033), (5295, 3874022), (10590, 1937011), (16591, 1236390), (33182, 618195), (41213, 497730), (49773, 412130), (82426, 248865), (82955, 247278), (99546, 206065), (123639, 165910)]