20121520300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{927259}}^1$

素因数の和:927311

約数の個数: 72

約数和(自身を含む): 51511147520

約数和(自身を除く): 31389627220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4340, 5425, 10850, 21700, 927259, 1854518, 3709036, 4636295, 6490813, 9272590, 12981626, 18545180, 23181475, 25963252, 28745029, 32454065, 46362950, 57490058, 64908130, 92725900, 114980116, 129816260, 143725145, 162270325, 201215203, 287450290, 324540650, 402430406, 574900580, 649081300, 718625725, 804860812, 1006076015, 1437251450, 2012152030, 2874502900, 4024304060, 5030380075, 10060760150, 20121520300]

約数ペア:

[(1, 20121520300), (2, 10060760150), (4, 5030380075), (5, 4024304060), (7, 2874502900), (10, 2012152030), (14, 1437251450), (20, 1006076015), (25, 804860812), (28, 718625725), (31, 649081300), (35, 574900580), (50, 402430406), (62, 324540650), (70, 287450290), (100, 201215203), (124, 162270325), (140, 143725145), (155, 129816260), (175, 114980116), (217, 92725900), (310, 64908130), (350, 57490058), (434, 46362950), (620, 32454065), (700, 28745029), (775, 25963252), (868, 23181475), (1085, 18545180), (1550, 12981626), (2170, 9272590), (3100, 6490813), (4340, 4636295), (5425, 3709036), (10850, 1854518), (21700, 927259)]