20742300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1252

約数の個数: 108

約数和(自身を含む): 68493880

約数和(自身を除く): 47751580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1213, 1425, 1710, 1900, 2426, 2850, 3420, 3639, 4275, 4852, 5700, 6065, 7278, 8550, 10917, 12130, 14556, 17100, 18195, 21834, 23047, 24260, 30325, 36390, 43668, 46094, 54585, 60650, 69141, 72780, 90975, 92188, 109170, 115235, 121300, 138282, 181950, 207423, 218340, 230470, 272925, 276564, 345705, 363900, 414846, 460940, 545850, 576175, 691410, 829692, 1037115, 1091700, 1152350, 1382820, 1728525, 2074230, 2304700, 3457050, 4148460, 5185575, 6914100, 10371150, 20742300]

約数ペア:

[(1, 20742300), (2, 10371150), (3, 6914100), (4, 5185575), (5, 4148460), (6, 3457050), (9, 2304700), (10, 2074230), (12, 1728525), (15, 1382820), (18, 1152350), (19, 1091700), (20, 1037115), (25, 829692), (30, 691410), (36, 576175), (38, 545850), (45, 460940), (50, 414846), (57, 363900), (60, 345705), (75, 276564), (76, 272925), (90, 230470), (95, 218340), (100, 207423), (114, 181950), (150, 138282), (171, 121300), (180, 115235), (190, 109170), (225, 92188), (228, 90975), (285, 72780), (300, 69141), (342, 60650), (380, 54585), (450, 46094), (475, 43668), (570, 36390), (684, 30325), (855, 24260), (900, 23047), (950, 21834), (1140, 18195), (1213, 17100), (1425, 14556), (1710, 12130), (1900, 10917), (2426, 8550), (2850, 7278), (3420, 6065), (3639, 5700), (4275, 4852)]