20921837290

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1069}}^1\times {\mathrm{12007}}^1$

素因数の和:13246

約数の個数: 32

約数和(自身を含む): 37928949120

約数和(自身を除く): 17007111830

約数列:

[1, 2, 5, 10, 163, 326, 815, 1069, 1630, 2138, 5345, 10690, 12007, 24014, 60035, 120070, 174247, 348494, 871235, 1742470, 1957141, 3914282, 9785705, 12835483, 19571410, 25670966, 64177415, 128354830, 2092183729, 4184367458, 10460918645, 20921837290]

約数ペア:

[(1, 20921837290), (2, 10460918645), (5, 4184367458), (10, 2092183729), (163, 128354830), (326, 64177415), (815, 25670966), (1069, 19571410), (1630, 12835483), (2138, 9785705), (5345, 3914282), (10690, 1957141), (12007, 1742470), (24014, 871235), (60035, 348494), (120070, 174247)]