20964600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 74232600

約数和(自身を除く): 53268000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 613, 684, 760, 855, 900, 950, 1140, 1226, 1368, 1425, 1710, 1800, 1839, 1900, 2280, 2452, 2850, 3065, 3420, 3678, 3800, 4275, 4904, 5517, 5700, 6130, 6840, 7356, 8550, 9195, 11034, 11400, 11647, 12260, 14712, 15325, 17100, 18390, 22068, 23294, 24520, 27585, 30650, 34200, 34941, 36780, 44136, 45975, 46588, 55170, 58235, 61300, 69882, 73560, 91950, 93176, 104823, 110340, 116470, 122600, 137925, 139764, 174705, 183900, 209646, 220680, 232940, 275850, 279528, 291175, 349410, 367800, 419292, 465880, 524115, 551700, 582350, 698820, 838584, 873525, 1048230, 1103400, 1164700, 1397640, 1747050, 2096460, 2329400, 2620575, 3494100, 4192920, 5241150, 6988200, 10482300, 20964600]

約数ペア:

[(1, 20964600), (2, 10482300), (3, 6988200), (4, 5241150), (5, 4192920), (6, 3494100), (8, 2620575), (9, 2329400), (10, 2096460), (12, 1747050), (15, 1397640), (18, 1164700), (19, 1103400), (20, 1048230), (24, 873525), (25, 838584), (30, 698820), (36, 582350), (38, 551700), (40, 524115), (45, 465880), (50, 419292), (57, 367800), (60, 349410), (72, 291175), (75, 279528), (76, 275850), (90, 232940), (95, 220680), (100, 209646), (114, 183900), (120, 174705), (150, 139764), (152, 137925), (171, 122600), (180, 116470), (190, 110340), (200, 104823), (225, 93176), (228, 91950), (285, 73560), (300, 69882), (342, 61300), (360, 58235), (380, 55170), (450, 46588), (456, 45975), (475, 44136), (570, 36780), (600, 34941), (613, 34200), (684, 30650), (760, 27585), (855, 24520), (900, 23294), (950, 22068), (1140, 18390), (1226, 17100), (1368, 15325), (1425, 14712), (1710, 12260), (1800, 11647), (1839, 11400), (1900, 11034), (2280, 9195), (2452, 8550), (2850, 7356), (3065, 6840), (3420, 6130), (3678, 5700), (3800, 5517), (4275, 4904)]