20609610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 62705664

約数和(自身を除く): 42096054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 23, 30, 34, 35, 42, 46, 51, 69, 70, 85, 102, 105, 115, 119, 138, 161, 170, 210, 230, 238, 251, 255, 322, 345, 357, 391, 483, 502, 510, 595, 690, 714, 753, 782, 805, 966, 1173, 1190, 1255, 1506, 1610, 1757, 1785, 1955, 2346, 2415, 2510, 2737, 3514, 3570, 3765, 3910, 4267, 4830, 5271, 5474, 5773, 5865, 7530, 8211, 8534, 8785, 10542, 11546, 11730, 12801, 13685, 16422, 17319, 17570, 21335, 25602, 26355, 27370, 28865, 29869, 34638, 40411, 41055, 42670, 52710, 57730, 59738, 64005, 80822, 82110, 86595, 89607, 98141, 121233, 128010, 149345, 173190, 179214, 196282, 202055, 242466, 294423, 298690, 404110, 448035, 490705, 588846, 606165, 686987, 896070, 981410, 1212330, 1373974, 1472115, 2060961, 2944230, 3434935, 4121922, 6869870, 10304805, 20609610]

約数ペア:

[(1, 20609610), (2, 10304805), (3, 6869870), (5, 4121922), (6, 3434935), (7, 2944230), (10, 2060961), (14, 1472115), (15, 1373974), (17, 1212330), (21, 981410), (23, 896070), (30, 686987), (34, 606165), (35, 588846), (42, 490705), (46, 448035), (51, 404110), (69, 298690), (70, 294423), (85, 242466), (102, 202055), (105, 196282), (115, 179214), (119, 173190), (138, 149345), (161, 128010), (170, 121233), (210, 98141), (230, 89607), (238, 86595), (251, 82110), (255, 80822), (322, 64005), (345, 59738), (357, 57730), (391, 52710), (483, 42670), (502, 41055), (510, 40411), (595, 34638), (690, 29869), (714, 28865), (753, 27370), (782, 26355), (805, 25602), (966, 21335), (1173, 17570), (1190, 17319), (1255, 16422), (1506, 13685), (1610, 12801), (1757, 11730), (1785, 11546), (1955, 10542), (2346, 8785), (2415, 8534), (2510, 8211), (2737, 7530), (3514, 5865), (3570, 5773), (3765, 5474), (3910, 5271), (4267, 4830)]