20622472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4219}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 42537600

約数和(自身を除く): 21915128

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4219, 4888, 8438, 16876, 33752, 54847, 109694, 198293, 219388, 396586, 438776, 793172, 1586344, 2577809, 5155618, 10311236, 20622472]

約数ペア:

[(1, 20622472), (2, 10311236), (4, 5155618), (8, 2577809), (13, 1586344), (26, 793172), (47, 438776), (52, 396586), (94, 219388), (104, 198293), (188, 109694), (376, 54847), (611, 33752), (1222, 16876), (2444, 8438), (4219, 4888)]