20944716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 35051700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 61, 62, 71, 78, 93, 122, 124, 142, 156, 183, 186, 213, 244, 284, 366, 372, 403, 426, 732, 793, 806, 852, 923, 1209, 1586, 1612, 1846, 1891, 2201, 2379, 2418, 2769, 3172, 3692, 3782, 4331, 4402, 4758, 4836, 5538, 5673, 6603, 7564, 8662, 8804, 9516, 11076, 11346, 12993, 13206, 17324, 22692, 24583, 25986, 26412, 28613, 49166, 51972, 56303, 57226, 73749, 85839, 98332, 112606, 114452, 134261, 147498, 168909, 171678, 225212, 268522, 294996, 337818, 343356, 402783, 537044, 675636, 805566, 1611132, 1745393, 3490786, 5236179, 6981572, 10472358, 20944716]

約数ペア:

[(1, 20944716), (2, 10472358), (3, 6981572), (4, 5236179), (6, 3490786), (12, 1745393), (13, 1611132), (26, 805566), (31, 675636), (39, 537044), (52, 402783), (61, 343356), (62, 337818), (71, 294996), (78, 268522), (93, 225212), (122, 171678), (124, 168909), (142, 147498), (156, 134261), (183, 114452), (186, 112606), (213, 98332), (244, 85839), (284, 73749), (366, 57226), (372, 56303), (403, 51972), (426, 49166), (732, 28613), (793, 26412), (806, 25986), (852, 24583), (923, 22692), (1209, 17324), (1586, 13206), (1612, 12993), (1846, 11346), (1891, 11076), (2201, 9516), (2379, 8804), (2418, 8662), (2769, 7564), (3172, 6603), (3692, 5673), (3782, 5538), (4331, 4836), (4402, 4758)]