20105609550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{10729}}^1$

素因数の和:10819

約数の個数: 144

約数和(自身を含む): 55490667120

約数和(自身を除く): 35385057570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 186, 195, 310, 325, 390, 403, 465, 650, 775, 806, 930, 961, 975, 1209, 1550, 1922, 1950, 2015, 2325, 2418, 2883, 4030, 4650, 4805, 5766, 6045, 9610, 10075, 10729, 12090, 12493, 14415, 20150, 21458, 24025, 24986, 28830, 30225, 32187, 37479, 48050, 53645, 60450, 62465, 64374, 72075, 74958, 107290, 124930, 139477, 144150, 160935, 187395, 268225, 278954, 312325, 321870, 332599, 374790, 418431, 536450, 624650, 665198, 697385, 804675, 836862, 936975, 997797, 1394770, 1609350, 1662995, 1873950, 1995594, 2092155, 3325990, 3486925, 4184310, 4323787, 4988985, 6973850, 8314975, 8647574, 9977970, 10310569, 10460775, 12971361, 16629950, 20621138, 20921550, 21618935, 24944925, 25942722, 30931707, 43237870, 49889850, 51552845, 61863414, 64856805, 103105690, 108094675, 129713610, 134037397, 154658535, 216189350, 257764225, 268074794, 309317070, 324284025, 402112191, 515528450, 648568050, 670186985, 773292675, 804224382, 1340373970, 1546585350, 2010560955, 3350934925, 4021121910, 6701869850, 10052804775, 20105609550]

約数ペア:

[(1, 20105609550), (2, 10052804775), (3, 6701869850), (5, 4021121910), (6, 3350934925), (10, 2010560955), (13, 1546585350), (15, 1340373970), (25, 804224382), (26, 773292675), (30, 670186985), (31, 648568050), (39, 515528450), (50, 402112191), (62, 324284025), (65, 309317070), (75, 268074794), (78, 257764225), (93, 216189350), (130, 154658535), (150, 134037397), (155, 129713610), (186, 108094675), (195, 103105690), (310, 64856805), (325, 61863414), (390, 51552845), (403, 49889850), (465, 43237870), (650, 30931707), (775, 25942722), (806, 24944925), (930, 21618935), (961, 20921550), (975, 20621138), (1209, 16629950), (1550, 12971361), (1922, 10460775), (1950, 10310569), (2015, 9977970), (2325, 8647574), (2418, 8314975), (2883, 6973850), (4030, 4988985), (4650, 4323787), (4805, 4184310), (5766, 3486925), (6045, 3325990), (9610, 2092155), (10075, 1995594), (10729, 1873950), (12090, 1662995), (12493, 1609350), (14415, 1394770), (20150, 997797), (21458, 936975), (24025, 836862), (24986, 804675), (28830, 697385), (30225, 665198), (32187, 624650), (37479, 536450), (48050, 418431), (53645, 374790), (60450, 332599), (62465, 321870), (64374, 312325), (72075, 278954), (74958, 268225), (107290, 187395), (124930, 160935), (139477, 144150)]