20245520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11003}}^1$

素因数の和:11039

約数の個数: 40

約数和(自身を含む): 49121856

約数和(自身を除く): 28876336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11003, 22006, 44012, 55015, 88024, 110030, 176048, 220060, 253069, 440120, 506138, 880240, 1012276, 1265345, 2024552, 2530690, 4049104, 5061380, 10122760, 20245520]

約数ペア:

[(1, 20245520), (2, 10122760), (4, 5061380), (5, 4049104), (8, 2530690), (10, 2024552), (16, 1265345), (20, 1012276), (23, 880240), (40, 506138), (46, 440120), (80, 253069), (92, 220060), (115, 176048), (184, 110030), (230, 88024), (368, 55015), (460, 44012), (920, 22006), (1840, 11003)]