20823000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 70986240

約数和(自身を除く): 50163240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 631, 660, 750, 825, 1000, 1100, 1262, 1320, 1375, 1500, 1650, 1893, 2200, 2524, 2750, 3000, 3155, 3300, 3786, 4125, 5048, 5500, 6310, 6600, 6941, 7572, 8250, 9465, 11000, 12620, 13882, 15144, 15775, 16500, 18930, 20823, 25240, 27764, 31550, 33000, 34705, 37860, 41646, 47325, 55528, 63100, 69410, 75720, 78875, 83292, 94650, 104115, 126200, 138820, 157750, 166584, 173525, 189300, 208230, 236625, 277640, 315500, 347050, 378600, 416460, 473250, 520575, 631000, 694100, 832920, 867625, 946500, 1041150, 1388200, 1735250, 1893000, 2082300, 2602875, 3470500, 4164600, 5205750, 6941000, 10411500, 20823000]

約数ペア:

[(1, 20823000), (2, 10411500), (3, 6941000), (4, 5205750), (5, 4164600), (6, 3470500), (8, 2602875), (10, 2082300), (11, 1893000), (12, 1735250), (15, 1388200), (20, 1041150), (22, 946500), (24, 867625), (25, 832920), (30, 694100), (33, 631000), (40, 520575), (44, 473250), (50, 416460), (55, 378600), (60, 347050), (66, 315500), (75, 277640), (88, 236625), (100, 208230), (110, 189300), (120, 173525), (125, 166584), (132, 157750), (150, 138820), (165, 126200), (200, 104115), (220, 94650), (250, 83292), (264, 78875), (275, 75720), (300, 69410), (330, 63100), (375, 55528), (440, 47325), (500, 41646), (550, 37860), (600, 34705), (631, 33000), (660, 31550), (750, 27764), (825, 25240), (1000, 20823), (1100, 18930), (1262, 16500), (1320, 15775), (1375, 15144), (1500, 13882), (1650, 12620), (1893, 11000), (2200, 9465), (2524, 8250), (2750, 7572), (3000, 6941), (3155, 6600), (3300, 6310), (3786, 5500), (4125, 5048)]