20139150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 53139456

約数和(自身を除く): 33000306

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 61, 62, 71, 75, 93, 122, 142, 150, 155, 183, 186, 213, 305, 310, 355, 366, 426, 465, 610, 710, 775, 915, 930, 1065, 1525, 1550, 1775, 1830, 1891, 2130, 2201, 2325, 3050, 3550, 3782, 4331, 4402, 4575, 4650, 5325, 5673, 6603, 8662, 9150, 9455, 10650, 11005, 11346, 12993, 13206, 18910, 21655, 22010, 25986, 28365, 33015, 43310, 47275, 55025, 56730, 64965, 66030, 94550, 108275, 110050, 129930, 134261, 141825, 165075, 216550, 268522, 283650, 324825, 330150, 402783, 649650, 671305, 805566, 1342610, 2013915, 3356525, 4027830, 6713050, 10069575, 20139150]

約数ペア:

[(1, 20139150), (2, 10069575), (3, 6713050), (5, 4027830), (6, 3356525), (10, 2013915), (15, 1342610), (25, 805566), (30, 671305), (31, 649650), (50, 402783), (61, 330150), (62, 324825), (71, 283650), (75, 268522), (93, 216550), (122, 165075), (142, 141825), (150, 134261), (155, 129930), (183, 110050), (186, 108275), (213, 94550), (305, 66030), (310, 64965), (355, 56730), (366, 55025), (426, 47275), (465, 43310), (610, 33015), (710, 28365), (775, 25986), (915, 22010), (930, 21655), (1065, 18910), (1525, 13206), (1550, 12993), (1775, 11346), (1830, 11005), (1891, 10650), (2130, 9455), (2201, 9150), (2325, 8662), (3050, 6603), (3550, 5673), (3782, 5325), (4331, 4650), (4402, 4575)]