20223780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 39385308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 83, 93, 124, 131, 155, 166, 186, 249, 262, 310, 332, 372, 393, 415, 465, 498, 524, 620, 655, 786, 830, 930, 996, 1245, 1310, 1572, 1660, 1860, 1965, 2490, 2573, 2620, 3930, 4061, 4980, 5146, 7719, 7860, 8122, 10292, 10873, 12183, 12865, 15438, 16244, 20305, 21746, 24366, 25730, 30876, 32619, 38595, 40610, 43492, 48732, 51460, 54365, 60915, 65238, 77190, 81220, 108730, 121830, 130476, 154380, 163095, 217460, 243660, 326190, 337063, 652380, 674126, 1011189, 1348252, 1685315, 2022378, 3370630, 4044756, 5055945, 6741260, 10111890, 20223780]

約数ペア:

[(1, 20223780), (2, 10111890), (3, 6741260), (4, 5055945), (5, 4044756), (6, 3370630), (10, 2022378), (12, 1685315), (15, 1348252), (20, 1011189), (30, 674126), (31, 652380), (60, 337063), (62, 326190), (83, 243660), (93, 217460), (124, 163095), (131, 154380), (155, 130476), (166, 121830), (186, 108730), (249, 81220), (262, 77190), (310, 65238), (332, 60915), (372, 54365), (393, 51460), (415, 48732), (465, 43492), (498, 40610), (524, 38595), (620, 32619), (655, 30876), (786, 25730), (830, 24366), (930, 21746), (996, 20305), (1245, 16244), (1310, 15438), (1572, 12865), (1660, 12183), (1860, 10873), (1965, 10292), (2490, 8122), (2573, 7860), (2620, 7719), (3930, 5146), (4061, 4980)]