20173250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 41333760

約数和(自身を除く): 21160510

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 125, 137, 155, 190, 250, 274, 310, 475, 589, 685, 775, 950, 1178, 1370, 1550, 2375, 2603, 2945, 3425, 3875, 4247, 4750, 5206, 5890, 6850, 7750, 8494, 13015, 14725, 17125, 21235, 26030, 29450, 34250, 42470, 65075, 73625, 80693, 106175, 130150, 147250, 161386, 212350, 325375, 403465, 530875, 650750, 806930, 1061750, 2017325, 4034650, 10086625, 20173250]

約数ペア:

[(1, 20173250), (2, 10086625), (5, 4034650), (10, 2017325), (19, 1061750), (25, 806930), (31, 650750), (38, 530875), (50, 403465), (62, 325375), (95, 212350), (125, 161386), (137, 147250), (155, 130150), (190, 106175), (250, 80693), (274, 73625), (310, 65075), (475, 42470), (589, 34250), (685, 29450), (775, 26030), (950, 21235), (1178, 17125), (1370, 14725), (1550, 13015), (2375, 8494), (2603, 7750), (2945, 6850), (3425, 5890), (3875, 5206), (4247, 4750)]