20534579728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1\times {\mathrm{2377}}^1$

素因数の和:3452

約数の個数: 80

約数和(自身を含む): 43953030576

約数和(自身を除く): 23418450848

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1013, 1066, 2026, 2132, 2377, 4052, 4264, 4754, 8104, 8528, 9508, 13169, 16208, 19016, 26338, 30901, 38032, 41533, 52676, 61802, 83066, 97457, 105352, 123604, 166132, 194914, 210704, 247208, 332264, 389828, 494416, 539929, 664528, 779656, 1079858, 1266941, 1559312, 2159716, 2407901, 2533882, 4319432, 4815802, 5067764, 8638864, 9631604, 10135528, 19263208, 20271056, 31302713, 38526416, 62605426, 98723941, 125210852, 197447882, 250421704, 394895764, 500843408, 789791528, 1283411233, 1579583056, 2566822466, 5133644932, 10267289864, 20534579728]

約数ペア:

[(1, 20534579728), (2, 10267289864), (4, 5133644932), (8, 2566822466), (13, 1579583056), (16, 1283411233), (26, 789791528), (41, 500843408), (52, 394895764), (82, 250421704), (104, 197447882), (164, 125210852), (208, 98723941), (328, 62605426), (533, 38526416), (656, 31302713), (1013, 20271056), (1066, 19263208), (2026, 10135528), (2132, 9631604), (2377, 8638864), (4052, 5067764), (4264, 4815802), (4754, 4319432), (8104, 2533882), (8528, 2407901), (9508, 2159716), (13169, 1559312), (16208, 1266941), (19016, 1079858), (26338, 779656), (30901, 664528), (38032, 539929), (41533, 494416), (52676, 389828), (61802, 332264), (83066, 247208), (97457, 210704), (105352, 194914), (123604, 166132)]