20812950

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{571}}^1$

素因数の和:601

約数の個数: 84

約数和(自身を含む): 58143228

約数和(自身を除く): 37330278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 571, 675, 729, 810, 1142, 1215, 1350, 1458, 1713, 2025, 2430, 2855, 3426, 3645, 4050, 5139, 5710, 6075, 7290, 8565, 10278, 12150, 14275, 15417, 17130, 18225, 25695, 28550, 30834, 36450, 42825, 46251, 51390, 77085, 85650, 92502, 128475, 138753, 154170, 231255, 256950, 277506, 385425, 416259, 462510, 693765, 770850, 832518, 1156275, 1387530, 2081295, 2312550, 3468825, 4162590, 6937650, 10406475, 20812950]

約数ペア:

[(1, 20812950), (2, 10406475), (3, 6937650), (5, 4162590), (6, 3468825), (9, 2312550), (10, 2081295), (15, 1387530), (18, 1156275), (25, 832518), (27, 770850), (30, 693765), (45, 462510), (50, 416259), (54, 385425), (75, 277506), (81, 256950), (90, 231255), (135, 154170), (150, 138753), (162, 128475), (225, 92502), (243, 85650), (270, 77085), (405, 51390), (450, 46251), (486, 42825), (571, 36450), (675, 30834), (729, 28550), (810, 25695), (1142, 18225), (1215, 17130), (1350, 15417), (1458, 14275), (1713, 12150), (2025, 10278), (2430, 8565), (2855, 7290), (3426, 6075), (3645, 5710), (4050, 5139)]