20473560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 70567200

約数和(自身を除く): 50093640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 89, 90, 108, 120, 135, 142, 162, 178, 180, 213, 216, 267, 270, 284, 324, 355, 356, 360, 405, 426, 445, 534, 540, 568, 639, 648, 710, 712, 801, 810, 852, 890, 1065, 1068, 1080, 1278, 1335, 1420, 1602, 1620, 1704, 1780, 1917, 2130, 2136, 2403, 2556, 2670, 2840, 3195, 3204, 3240, 3560, 3834, 4005, 4260, 4806, 5112, 5340, 5751, 6319, 6390, 6408, 7209, 7668, 8010, 8520, 9585, 9612, 10680, 11502, 12015, 12638, 12780, 14418, 15336, 16020, 18957, 19170, 19224, 23004, 24030, 25276, 25560, 28755, 28836, 31595, 32040, 36045, 37914, 38340, 46008, 48060, 50552, 56871, 57510, 57672, 63190, 72090, 75828, 76680, 94785, 96120, 113742, 115020, 126380, 144180, 151656, 170613, 189570, 227484, 230040, 252760, 284355, 288360, 341226, 379140, 454968, 511839, 568710, 682452, 758280, 853065, 1023678, 1137420, 1364904, 1706130, 2047356, 2274840, 2559195, 3412260, 4094712, 5118390, 6824520, 10236780, 20473560]

約数ペア:

[(1, 20473560), (2, 10236780), (3, 6824520), (4, 5118390), (5, 4094712), (6, 3412260), (8, 2559195), (9, 2274840), (10, 2047356), (12, 1706130), (15, 1364904), (18, 1137420), (20, 1023678), (24, 853065), (27, 758280), (30, 682452), (36, 568710), (40, 511839), (45, 454968), (54, 379140), (60, 341226), (71, 288360), (72, 284355), (81, 252760), (89, 230040), (90, 227484), (108, 189570), (120, 170613), (135, 151656), (142, 144180), (162, 126380), (178, 115020), (180, 113742), (213, 96120), (216, 94785), (267, 76680), (270, 75828), (284, 72090), (324, 63190), (355, 57672), (356, 57510), (360, 56871), (405, 50552), (426, 48060), (445, 46008), (534, 38340), (540, 37914), (568, 36045), (639, 32040), (648, 31595), (710, 28836), (712, 28755), (801, 25560), (810, 25276), (852, 24030), (890, 23004), (1065, 19224), (1068, 19170), (1080, 18957), (1278, 16020), (1335, 15336), (1420, 14418), (1602, 12780), (1620, 12638), (1704, 12015), (1780, 11502), (1917, 10680), (2130, 9612), (2136, 9585), (2403, 8520), (2556, 8010), (2670, 7668), (2840, 7209), (3195, 6408), (3204, 6390), (3240, 6319), (3560, 5751), (3834, 5340), (4005, 5112), (4260, 4806)]