20339369570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{4591}}^1$

素因数の和:5307

約数の個数: 64

約数和(自身を含む): 40242230784

約数和(自身を除く): 19902861214

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 643, 689, 1286, 1378, 3215, 3445, 4591, 6430, 6890, 8359, 9182, 16718, 22955, 34079, 41795, 45910, 59683, 68158, 83590, 119366, 170395, 243323, 298415, 340790, 443027, 486646, 596830, 886054, 1216615, 2215135, 2433230, 2952013, 3163199, 4430270, 5904026, 6326398, 14760065, 15815995, 29520130, 31631990, 38376169, 76752338, 156456689, 191880845, 312913378, 383761690, 782283445, 1564566890, 2033936957, 4067873914, 10169684785, 20339369570]

約数ペア:

[(1, 20339369570), (2, 10169684785), (5, 4067873914), (10, 2033936957), (13, 1564566890), (26, 782283445), (53, 383761690), (65, 312913378), (106, 191880845), (130, 156456689), (265, 76752338), (530, 38376169), (643, 31631990), (689, 29520130), (1286, 15815995), (1378, 14760065), (3215, 6326398), (3445, 5904026), (4591, 4430270), (6430, 3163199), (6890, 2952013), (8359, 2433230), (9182, 2215135), (16718, 1216615), (22955, 886054), (34079, 596830), (41795, 486646), (45910, 443027), (59683, 340790), (68158, 298415), (83590, 243323), (119366, 170395)]