20797950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2273}}^1$

素因数の和:2349

約数の個数: 48

約数和(自身を含む): 52447536

約数和(自身を除く): 31649586

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2273, 3050, 4546, 4575, 6819, 9150, 11365, 13638, 22730, 34095, 56825, 68190, 113650, 138653, 170475, 277306, 340950, 415959, 693265, 831918, 1386530, 2079795, 3466325, 4159590, 6932650, 10398975, 20797950]

約数ペア:

[(1, 20797950), (2, 10398975), (3, 6932650), (5, 4159590), (6, 3466325), (10, 2079795), (15, 1386530), (25, 831918), (30, 693265), (50, 415959), (61, 340950), (75, 277306), (122, 170475), (150, 138653), (183, 113650), (305, 68190), (366, 56825), (610, 34095), (915, 22730), (1525, 13638), (1830, 11365), (2273, 9150), (3050, 6819), (4546, 4575)]